      
[1] M. Totoki, T. Mizumoto, T. Nakamura, K. Maru, and Y. Naito, "Direct bonding for the integration of optical isolator with III-V semiconductors," in Proceedings of Pacific Rim Conference on Lasers and Electro-Optics '95 (Cleo-Pacific Rim '95), Baltimore, pp.149-150, 1995.
[2] H. Yokoi, T. Mizumoto, K. Maru, and Y. Naito, "Direct bonding between laser wafers and magneto-optic waveguides," in Proceedings of Conference on Lasers and Electro-Optics (CLEO) Europe 1996, Hamburg, p.342, 1996.
[3] K. Maru, M. Okawa, H. Uetsuka, T. Hakuta, and H. Okano, "16x32 AWG with cyclic-frequency response," in Proceedings of 3rd Optoelectronics and Communications Conf. (OECC '98), 13C1-3, pp. 54-55, Jul. 1998.
[4] M. Okawa, K. Maru, H. Uetsuka, T. Hakuta, H. Okano, and K. Matsumoto, "Low loss and wide passband arrayed waveguide grating demultiplexer," in Proceedings of 24th European Conf. on Optical Communication (ECOC '98), vol. 1, pp. 323-324, 1998.
[5] K. Maru, M. Okawa, and H. Uetsuka, "Influence of statistical phase error on AWG spectral response," in Proceedings of 1999 International Conf. on Solid State Deices and Materials (SSDM '99), E-11-3, pp. 464-465, Sep. 1999.
[6] K. Maru, M. Ohkawa, H. Nounen, S. Takasugi, S. Kashimura, H. Okano, and H. Uetsuka, "Athermal and center wavelength adjustable arrayed-waveguide grating," in Proceedings of Optical Fiber Communication Conf. (OFC 2000), WH3, pp. 130-132, Mar. 2000.
[7] M. Okawa, K. Maru, and H. Uetsuka, "Impact of phase error on chromatic dispersion in arrayed waveguide gratings," in Proceedings of 5th Optoelectronics and Communications Conf. (OECC 2000), 12P-30, pp. 246-247, July 2000.
[8] H. Nounen, K. Maru, H. Ohkawa, S. Takasugi, S. Kashimura, H. Okano, and H. Uetsuka, "High reliable athermal arrayed-waveguide gratings," in Proceedings of 5th Optoelectronics and Communications Conf. (OECC 2000), 13B1-5, pp. 370-371, July 2000.
[9] H. Arai, K. Maru, H. Nounen, T. Chiba, and K. Ohira, "Passive optical components for next generation DWDM systems," in Proceedings of 4th International Convention on Undersea Communications (SubOptic 2001), T4.4.1, 2001.
[10] M. Okawa, K. Maru, K. Ohira, S. Takasugi, H. Nounen, and H. Uetsuka, "Development of 128-channel 100 GHz arrayed waveguide grating with pitch conversion waveguide," in Proceedings of Pacific Rim Conf. on Lasers and Electro-Optics (CLEO/Pacific Rim 2001), TuE3-4, vol. 1, pp. 412-413, 2001.
[11] H. Arai, T. Chiba, K. Maru, H. Nounen, K. Ohira, M. Hikage, and H.
Uetsuka, "Recent progress in optical filter technologies (AWG and
wavelength splitter)," in Proceedings of 7th Optoelectronics and Communications
Conf. (OECC 2002), 11B3-4, pp. 448-449, July 2002.
[12] H. Uetsuka, K. Maru, M. Ohkawa, and S. Takasugi, "WDM filtering
and packaging technologies using planar lightwave circuits," in Proceedings
of 15th Annual Meeting of IEEE LEOS, WO2, pp. 481-482, 2002.
[13] T. Chiba, H. Arai, K. Ohira, H. Nonen, K. Maru, H. Okano, and H. Uetsuka,
"Planar wave-guide interleaving filters," in Proceedings of 15th
Annual Meeting of IEEE LEOS, TuU1, pp. 285-286, 2002.
[14] K. Maru, T. Chiba, T. Hasegawa, K. Tanaka, H. Nonen, and H. Uetsuka,
"High resolution dynamic gain equalizer using super-high-Δ planar
lightwave circuit technology," in Proceedings of Optical Fiber Communication
Conf. (OFC 2003), vol. 1, TuE4, pp. 172-173, Mar. 2003.
[15] N. Kitano, H. Komano, H. Ishikawa, K. Maru, K. Tanaka, S. Kashimura,
and H. Okano, "Novel spot size converter for super high Δ waveguides,"
in Proceedings of Conf. on Lasers and Electro-Optics/Quantum Electronics
& Laser Science Conf. (CLEO/QELS 2003), CWP2 (3 pages), 2003.
[16] K. Maru, H. Ishikawa, H. Komano, N. Kitano, Y. Abe, K. Matsui, S. Kashimura, S. Himi, and H. Uetsuka, "2.5%-Δ silica-based arrayed-waveguide grating multi/demultiplexer with low crosstalk," in Proceedings of 9th Optoelectronics and Communications Conf./3rd International Conf. on Optical Internet (OECC/COIN 2004), 15F1-4, pp. 720-721, Jul. 2004.
[17] K. Maru, Y. Abe, H. Ishikawa, M. Ito, S. Himi, H. Uetsuka, and T.
Mizumoto, "2.5%-Δ athermal arrayed-waveguide grating multi/demultiplexer
with low trench diffraction loss," in Proceedings of 11th Microoptics
Conf. (MOC '05), C3, pp. 44-45, Oct. 2005.
[18] K. Maru, T. Mizumoto, and H. Uetsuka, "Flat-passband arrayed waveguide grating employing cascaded Mach-Zehnder interferometers," in Proceedings of 11th Optoelectronics and Communications Conf. (OECC 2006), 5B2-5 (2 pages), Jul. 2006.
[19] K. Maru, T. Mizumoto, and H. Uetsuka, "Super-high-Δ silica-based
flat-passband filter using AWG and cascaded Mach-Zehnder interferometers,"
in Proceedings of 12th Optoelectronics and Communications Conf./16th International
Conf. on Integrated Optics and Optical Fiber Communication (OECC/IOOC 2007),
12E4-3 (2 pages), Jul. 2007. （Best Paper Award受賞発表）
[20] N. Kitano, H. Komano, H. Ishikawa, K. Maru, K. Tanaka, S. Kashimura, and H. Mimura, "Spot size converter with vertically tapered waveguide core fabricated by sputter etching," in Proceedings of 20th International Microprocesses and Nanotechnology Conference (MNC 2007), 6A-4-160 (2 pages), 2007.
[21] Y. Fujii and K. Maru, "The Levitation Mass Method (LMM): A precision mechanical measurement method," in Proceedings of International Workshop and Symposium Science Technology 2008 (I-SEEC2008), Nongkhai, Thailand, Dec. 15-16, 2008, OOT004, pp. 39-40.
[22] K. Maru and Y. Fujii, "Precision and compact dynamic bending tester," in Proceedings of 2008 International Conference of Computer and Electrical Engineering (ICCEE 2008), Phuket, Thailand, Dec. 20-22, 2008, pp. 894-897.
[23] Y. Fujii and K. Maru, "Toward dynamic force calibration based
on the Levitation Mass Method (LMM)," Proc. the 1st International
Symposium on Interferometry and Dynamic Measurement (ISIDM 2009), pp.23-31.
(Kiryu, Japan) February 2009.
[24] (Invited) K. Maru and Y. Fujii, "Precision and compact force tester using planar lightwave circuit," Proc. the 1st International Symposium on Interferometry and Dynamic Measurement (ISIDM 2009), pp.67-73 (Kiryu, Japan) February 2009.
[25] S. Shiraki, K. Maru, T. Fujyu, T. Yamaguchi, and Y. Fujii, "Impact response evaluation of force transducers," Proc. the 1st International Symposium on Interferometry and Dynamic Measurement (ISIDM 2009), pp.84-89 (Kiryu, Japan) February 2009.
[26] J. Ozawa, K. Maru, R.-S. Lu, and Y. Fujii, "A method for estimating the moment of inertia of human body," Proc. the 1st International Symposium on Interferometry and Dynamic Measurement (ISIDM 2009), pp.90-94 (Kiryu, Japan) February 2009.
[27] R. Yamamoto, K. Maru, K. Shimada, M. Yokota, S. Hashimoto, Y. Sugita, N. Nagai, and Y. Fujii, "Mass measurement under micro-gravity conditions," Proc. the 1st International Symposium on Interferometry and Dynamic Measurement (ISIDM 2009), pp.95-100 (Kiryu, Japan) February 2009.
[28] Y. Nakajima, K. Maru, N. Yoshiura, N. Ohta, H. Ueda, T. Kuwabara, and Y. Fujii, "Image processing technique for improving and expanding the privacy protection function of the e-JIKEI security camera system," Proc. the 1st International Symposium on Interferometry and Dynamic Measurement (ISIDM 2009), pp.107-110 (Kiryu, Japan) February 2009.
[29] Y. Fujii and K. Maru, "Precision force measurement using the
Levitation Mass Method (LMM)," Proc. the 1st International Symposium
on Quantum Metrology and Precision Measurement (ISQMPM 2009), pp.17-26
(Kiryu, Japan) March 2009.
[30] (Invited) K. Maru and Y. Fujii, "Integrated optical devices for precision velocity measurement," Proc. the 1st International Symposium on Quantum Metrology and Precision Measurement (ISQMPM 2009), pp.40-47 (Kiryu, Japan) March 2009.
[31] R. Yamaguchi, K. Maru, N. Yoshiura, N. Ohta, H. Ueda, T. Kuwabara, and Y. Fujii, "Introduction of security camera system with privacy protection into shopping areas," Proc. the 1st International Symposium on Quantum Metrology and Precision Measurement (ISQMPM 2009), pp.76-81 (Kiryu, Japan) March 2009.
[32] N. Nagai, K. Maru, and Y. Fujii "Measurements of frictional characteristics of a small linear ball bearing," Proc. the 1st International Symposium on Quantum Metrology and Precision Measurement (ISQMPM 2009), pp.82-85 (Kiryu, Japan) March 2009.
[33] Y. Sugita, K. Maru, K. Shimada, M. Yokota, S. Hashimoto, N. Nagai, R. Yamamoto, and Y. Fujii "Development of an instrument for measuring the body mass under microgravity conditions," Proc. the 1st International Symposium on Quantum Metrology and Precision Measurement (ISQMPM 2009), pp.91-94 (Kiryu, Japan) March 2009.
[34] T. Yokote, K. Maru, N. Yoshiura, N. Ohta, H. Ueda, and Y. Fujii, "Introduction of security camera system with privacy protection into residential areas," Proc. the 1st International Symposium on Quantum Metrology and Precision Measurement (ISQMPM 2009), pp.95-99 (Kiryu, Japan) March 2009.
[35] K. Maru, Y. Fujii, J. P. Hessling, and K. Shimada, "Frequency estimation method for measuring time-varying single frequency from digitized waveform," The 4th IEEE Conference on Industrial Electronics and Applications (ICIEA 2009), pp. 3687-3689 (Xian, China) May 25-27, 2009.
[36] K. Maru, Y. Fujii, J. P. Hessling, and K. Shimada, "Frequency estimation method for measuring mass under microgravity conditions," The 27th International Symposium on Space Technology and Science (27th ISTS), 2009-c-23 (2 pages), Tsukuba, Japan, July 8, 2009.
[37] Y. Fujii, K. Maru, N. Ohta, N. Yoshiura, H. Ueda, and P. Yupapin,
"Security camera network for privacy protection and community Safety
- Is the stress from security cameras inevitable?," Proc. the International
Conference on Security Camera Network, Privacy Protection and Community
Safety 2009 (SPC 2009), SPC2009_A001 (4 pages) (Kiryu, Japan) Oct. 2009.
[38] R. Yamaguchi, Y. Fujii, K. Maru, N. Yoshiura, N. Ohta, H. Ueda, and T. Kuwabara, "Experiment of security camera system with privacy protection into shopping street by the e-JIKEI Network Promotion Institute," Proc. the International Conference on Security Camera Network, Privacy Protection and Community Safety 2009 (SPC 2009), SPC2009_A021 (5 pages) (Kiryu, Japan) Oct. 2009.
[39] M. Sonoda, Y. Fujii, M. S. B. Sufian, K. Maru, Y. Sugita, and R. Sakurai, "Social experiment for security camera which protects privacy embedded in vending machine," Proc. the International Conference on Security Camera Network, Privacy Protection and Community Safety 2009 (SPC 2009), SPC2009_A022 (5 pages) (Kiryu, Japan) Oct. 2009.
[40] S. Hommoh, Y. Fujii, Y. Eguchi, K. Maru, Y. Sugita, M. Yokota, N. Ohta, and H. Ueda, "A review of Dairi EYE Lock in security camera system with privacy protection," Proc. the International Conference on Security Camera Network, Privacy Protection and Community Safety 2009 (SPC 2009), SPC2009_A027 (5 pages) (Kiryu, Japan) Oct. 2009.
[41] R. Yamamoto, Y. Fujii, K. Maru, N. Nagai, N. Ohta, and T. Ito, "Restoration of images taken under oblique illumination by security camera with dirty lens," Proc. the International Conference on Security Camera Network, Privacy Protection and Community Safety 2009 (SPC 2009), SPC2009_A028 (4 pages) (Kiryu, Japan) Oct. 2009.
[42] N. Nagai, Y. Fujii, H. Ueda, K. Maru, and S. Kumakura, "PC-based monitoring system for efficient use of day care centers for elderly people," Proc. the International Conference on Security Camera Network, Privacy Protection and Community Safety 2009 (SPC 2009), SPC2009_A031 (5 pages) (Kiryu, Japan) Oct. 2009.
[43] H. Hoshino, Y. Fujii, Y. Sugita, K. Maru, N. Ohta, T. Ito, R. Sakurai, "Estimation of color information from monochrome security camera," Proc. the International Conference on Security Camera Network, Privacy Protection and Community Safety 2009 (SPC 2009), SPC2009_A032 (6 pages) (Kiryu, Japan) Oct. 2009.
[44] T. Yokote, Y. Fujii, K. Maru, N. Yoshiura, N. Ohta, and H. Ueda, "Introduction of security camera system with privacy protection into a residential area," Proc. the International Conference on Security Camera Network, Privacy Protection and Community Safety 2009 (SPC 2009), SPC2009_A033 (6 pages) (Kiryu, Japan) Oct. 2009.
[45] Y. Nakajima, Y. Fujii, and K. Maru, "Development of security camera with privacy protection function that can be encrypted according to circumstances," Proc. the International Conference on Security Camera Network, Privacy Protection and Community Safety 2009 (SPC 2009), SPC2009_A034 (5 pages) (Kiryu, Japan) Oct. 2009.
[46] N. Kurita, K. Maru, T. Ishikawa, D. Timms, N. Greatrex, "Monitoring system development for driving condition of a Ventricular assist device by using mobile phone," Proc. the International Conference on Security Camera Network, Privacy Protection and Community Safety 2009 (SPC 2009), SPC2009_A035 (4 pages) (Kiryu, Japan) Oct. 2009.
[47] K. Maru, Y. Fujii, Y. Sugita, N. Ohta, N. Yoshiura, H. Ueda, and S. Shiraki, "Security of communities based on the e-JIKEI Network with information technology and altruism," Proc. the International Conference on Security Camera Network, Privacy Protection and Community Safety 2009 (SPC 2009), SPC2009_A050 (6 pages) (Kiryu, Japan) Oct. 2009. （Best Paper Award受賞発表）
[48] T. Jin, H. Hoshino, Y. Fujii, H. Jia, K. Maru, "Color estimation base on a giving color estimation PC-based system," Proc. the International Conference on Security Camera Network, Privacy Protection and Community Safety 2009 (SPC 2009), SPC2009_A051 (5 pages) (Kiryu, Japan) Oct. 2009.
[49] K. Maru, W. Khunnam, R.-S. Lu, P. Yupapin, and Y. Fujii, "Tilt mechanism for precision control of down-slope component of gravitational force for micro force generation," 1st International Conference on Advanced Micro-Device Engineering (AMDE2009), 2L03 (1 page) (Kiryu, Japan) Dec. 2009.
[50] J. Ozawa, K. Maru, and Y. Fujii, "Microforce material tester using small pendulum," 1st International Conference on Advanced Micro-Device Engineering (AMDE2009), 2P03 (1 page) (Kiryu, Japan) Dec. 2009.
[51] Y. Fujii, K. Maru, and T. Yamaguchi, "Precision force measurement
using the Levitation Mass Method (LMM)," Proc. the International Conference
on Precision Instrumentation and Measurement 2010 (CPIM2010), CPIM2010_A004
(10 pages) (Kiryu, Japan) Mar. 2010.
[52] Y. Fujii, K. Maru, and K. Shimada, "Space balance and space scale:
mass measurement devices," Proc. the International Conference on Precision
Instrumentation and Measurement 2010 (CPIM2010), CPIM2010_A005 (3 pages)
(Kiryu, Japan) Mar. 2010.
[53] K. Maru and Y. Fujii, "Laser Doppler velocity measurement using integrated waveguide technology," Proc. the International Conference on Precision Instrumentation and Measurement 2010 (CPIM2010), CPIM2010_A031 (5 pages) (Kiryu, Japan) Mar. 2010.
[54] K. Maru and Y. Fujii, "Compact optical system using planar lightwave circuit for precision measurement," Proc. the International Conference on Precision Instrumentation and Measurement 2010 (CPIM2010), CPIM2010_A032 (6 pages) (Kiryu, Japan) Mar. 2010.
[55] T. Jin, H. Jia, W. Hou, R. Yamamoto, N. Nagai, Y. Fujii, K. Maru, N. Ohta, and K. Shimada, "Motion pose estimated based on the binocular stereo camera," Proc. the International Conference on Precision Instrumentation and Measurement 2010 (CPIM2010), CPIM2010_A072 (4 pages) (Kiryu, Japan) Mar. 2010.
[56] T. Sakai, K. Maru, T. Yamaguchi, and Y. Fujii, "Development of self-correction software of force transducer dynamic error," Proc. the International Conference on Precision Instrumentation and Measurement 2010 (CPIM2010), CPIM2010_A100 (2 pages) (Kiryu, Japan) Mar. 2010.
[57] H. Ebara, K. Maru, T. Yamaguchi, and Y. Fujii, "Development of precision material tester using a pendulum," Proc. the International Conference on Precision Instrumentation and Measurement 2010 (CPIM2010), CPIM2010_A101 (2 pages) (Kiryu, Japan) Mar. 2010.
[58] Y. Ono, K. Maru, M. Murakami, Y. Arai, and Y. Fujii, "Simulation of space scale in International Space Station," Proc. the International Conference on Precision Instrumentation and Measurement 2010 (CPIM2010), CPIM2010_A102 (2 pages) (Kiryu, Japan) Mar. 2010.
[59] Y. Fujii, K. Maru, and T. Jin, "Microforce generator based on the levitation mass method (LMM)," in Proc. 3rd Nanoscience and Nanotechnology Symposium 2010 (NNSB2010), Vol. 1284, pp. 15-22, (Bandung, Indonesia) Jun. 2010.
[60] Y. Fujii, K. Maru, "Dynamic error measurement of force sensors:
Toward the dynamic calibration and correction," in Proc. SPIE, 6th
International Symposium on Precision Engineering Measurements and Instrumentation
(ISPEMI 2010), Vol. 7544, 754455 (8 pages) (Haugzhou, China) Aug. 2010.
[61] Y. Fujii, T. Jin, and K. Maru, "Precision mechanical measurement
using the Levitation Mass Method (LMM)," in Proc. 4th Asian Physic
Symposium (APS 2010), Vol. 1325, pp. 12-15, (Bandung, Indonesia) Oct. 2010.
[62] Y. Fujii, K. Maru, N.Ohta, T. Jin, Y. Kuwabara, V. Prashyanusorn,
P. Prashyanusorn, S. Mitatha, P. P. Yupapin, and N. Yoshiura, "The
e-JIKEI Network: a concept for community security by means of security
cameras at high density," 3rd Joint International Conference on Information
& Communication Technology, Electric and Electrical Engineering (JICTEE
2010), (Luang Prabang, Lao PDR) Dec. 2010.
[63] K. Maru and Y. Fujii, "Laser Doppler velocimetry with small wavelength
sensitivity using planar lightwave circuit," 3rd International Conference
on Precision Instrumentation and Measurement (CPIM2011), (6 pages) (Xiangtan,
China) Jul. 2011.
[64] K. Maru, T. Fujiwara, and T. Hata, "Non-mechanical axial scanning
laser Doppler velocimeter using single diffraction grating," The 8th
International Conference on Optics-Photonics Design and Fabrication (ODF'12),
3S2-03, pp. 35-36 (St. Petersburg, Russia) July 3, 2012.
[65] M. Asada, K. Yamaguchi, K. Maru, H. Iwata, T. Yokouchi, and Y. Suzaki,
"Creep test of a strain sensor using double-layered metalized fiber
grating and soldering," The 2nd Joint Workshop of Advanced Materials
Science and Engineering between Kagawa University and Hanbat National University,
P-28 (2 pages) (Takamatsu, Japan), Jan. 7, 2013.
[66] K. Makino, K. Yamaguchi, K. Maru, H. Iwata, K. Imaoka, and Y. Suzaki,
"Development of an FBG current censor," The 2nd Joint Workshop
of Advanced Materials Science and Engineering between Kagawa University
and Hanbat National University, P-29 (2 pages) (Takamatsu, Japan), Jan.
7, 2013.
[67] K. Maru, "Dispersion model for AWG-based filters under the influence
of random phase errors," The 10th Conference on Lasers and Electro-Optics
Pacific Rim, and The 18th OptoElectronics and Communications Conference
/ Photonics in Switching 2013 (CLEO-PR & OECC/PS 2013), TuPL-10 (2
pages) (Kyoto, Japan) July 2, 2013.
[68] T. Hata and K. Maru, "Non-mechanical scanning laser Doppler velocimeter
with directional discrimination using single transmission path," The
10th Conference on Lasers and Electro-Optics Pacific Rim, and The 18th
OptoElectronics and Communications Conference / Photonics in Switching
2013 (CLEO-PR & OECC/PS 2013), WPF-17 (2 pages) (Kyoto, Japan) July
2, 2013.
[69] K. Muramatsu, M. Ishizawa, A. Takita, N. Yoshiura, N. Ohta, K. Maru,
H. Ueda, and Y. Fujii, "Shopping street safety using all-in-one-type
security cameras," The 1st IEEE/IIAE International Conference on Intelligent
Systems and Image Processing 2013, GS6-06 (5 pages) (Kitakyushu, Japan)
Sep. 27, 2013.
[70] K. Maru and K. Watanabe, "Directional discrimination using optical
serrodyne modulation for non-mechanical scanning laser Doppler velocimeter,"
The 9th International Conference on Optics-photonics Design and Fabrication
(ODF’14), 13PSa-39 (2 pages) (Itabashi, Japan) Feb. 13, 2014.
[71] A. Takita, N. Ohta, Y. Fujii, N. Yoshiura, H. Ueda, and K. Maru, "Review
of the e-JIKEI Network: Security camera system for privacy protection and
community safety," 3rd Intl Conf. on Informatics, Electronics &
Vision (ICIEV), (Dhaka, Bangladesh), May 24, 2014.
[72] K. Maru and K. Watanabe, "Fiber-optic laser Doppler velocimeter
with non-mechanical scanning of spatially encoded points for cross-sectional
velocity distribution measurement," in Proc. SPIE, Optics + Photonics
2014, Vol. 9203, 920314 (7 pages) (San Diego, United States), Aug. 19,
2014.
[73] Y. Mori, K. Maru, H. Matsushita, T. Nakagawa, M. Jinno, "Programmable multicarrier generator for elastic superchannel transponder/regenerator," Photonics in Switching (PS) 2015, ThI1-4 (3 pages) (Florence, Italy), Sep. 24, 2015
[74] T. Nakagawa, Y. Mori, K. Maru, H. Matsushita, and M. Jinno, "Linear
and nonlinear impairments when adding and dropping superchannels in an
elastic optical network," The 21st Asia-Pacific Conference on Communications
(APCC 2015), 14-AM2-C (4 pages) (Kyoto, Japan), Oct. 14, 2015
[75] S. Kato, A. Takita, N. Yoshiura, N. Ohta, K. Maru, H. Ueda, H. Matsuda,
and Y. Fujii, "Development of security camera with privacy protection
and, social experiment using the security camera with privacy protection,"
4th IIAE International Conference on Industrial Application Engineering
2016 (ICIAE2016), GS12-4, pp. 356-359 (Beppu, Japan), Mar. 28, 2016.
[76] K. Maru, K. Yamashita, H. Watanabe, R. Matsuda, and K. Nakatsuhara,
"Proposal of Si-based Integrated Probe for Laser Doppler Cross-sectional
Velocity Distribution Measurement," 22nd Microoptics Conference (MOC2017),
Nov. 21, 2017, pp. 234-235. (Tokyo, Japan)
[77] K. Maru, Y. Yoshida, M. Yukinari, and R. Kimura, "Nonmechanical laser Doppler cross-sectional velocity distribution measurements using 48-channel spatial encoding," 11th International Conference on Optics-Photonics Design and Fabrication (ODF'18), 29PSb-03 (Hiroshima, Japan) Nov. 29, 2018.
[78] M. Yukinari and K. Maru, "Simultaneous cross-sectional velocity distribution measurements using laser Doppler velocimeter employing 7 x 8 spatial encoding," 24th Microoptics Conference (MOC2019), P-1, Nov. 19, 2019. (Toyama, Japan)
[79] S. Doi, K. Maru, and K. Nakatsuhara, "Design of chirped focusing
grating coupler in Nb2O5-based integrated probe for laser Doppler cross-sectional velocity distribution measurement," 24th Microoptics Conference (MOC2019), P-44, Nov. 19, 2019. (Toyama, Japan)
[80] (Invited) K. Maru, "Velocity distribution measurements based
on differential laser Doppler velocimetry," 30th International Symposium
on Imaging, Sensing, and Optical Memory (ISOM’20), We-A-02, Dec. 2, 2020.
(Takamatsu, Japan Online)
[81] K. Maru, Y. Yamamoto, and K. Nakatsuhara, "Nb2O5-based grating coupler employing multiple Nb2O5/SiO2 layers in integrated probe for cross-sectional velocity distribution measurement,"
26th Microoptics Conference (MOC2021), PO-04, Sep. 28, 2021. (Online)
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