Prof. Jun Amako Profile

Prof. Jun Amako

Professor at Toyo Univ

SPIE Involvement:

Author

Proceedings Article | 28 September 2023 Presentation

Analytical representation of diffraction efficiencies of binary phase gratings for array illumination with ultrashort laser pulses

Hidetoshi Nakano, Jun Amako

Proceedings Volume PC12664, PC1266409 (2023) https://doi.org/10.1117/12.2675970

KEYWORDS: Ultrafast phenomena, Diffraction gratings, Diffraction, Light sources and illumination, Binary data, Pulsed laser operation, Optical design, Laser frequency, Emission wavelengths, Emission spectrum

Read Abstract +

Proceedings Article | 19 February 2018 Presentation + Paper

Distortion-compensated multifocusing of ultrashort pulse beams using a cascade optical system

J. Amako, H. Nakano

Proceedings Volume 10522, 1052217 (2018) https://doi.org/10.1117/12.2288507

KEYWORDS: Chromatic aberrations, Ultrafast phenomena, Diffraction, Glasses, Mirrors, Refractive index, Interferometry, Femtosecond phenomena, Temporal resolution, Diffraction gratings

Read Abstract +

Proceedings Article | 22 February 2017 Presentation + Paper

Design and evaluation of a diffractive beam splitter for dual-wavelength laser processing

J. Amako

Proceedings Volume 10085, 100850W (2017) https://doi.org/10.1117/12.2250103

KEYWORDS: Beam splitters, Laser processing, Quantization, Diffraction, Photoresist materials, Digital micromirror devices, Glasses, Laser systems engineering, Refractive index, Silica

Read Abstract +

Proceedings Article | 15 March 2016 Paper

Fabrication of dual-wavelength diffractive beam splitters using maskless optical lithography with a digital micromirror device

Jun Amako, Shinozaki Yu

Proceedings Volume 9780, 97801T (2016) https://doi.org/10.1117/12.2229178

KEYWORDS: Digital micromirror devices, Beam splitters, Optical lithography, Error analysis, Diffractive optical elements, Maskless lithography, Laser processing, Algorithms, Tolerancing, Photoresist materials, Diffraction, Continuous wave operation, Objectives, Refractive index

Read Abstract +

Proceedings Article | 16 March 2015 Paper

Polarization-independent light-dispersing device based on diffractive optics

J. Amako, E. Fujii

Proceedings Volume 9359, 935915 (2015) https://doi.org/10.1117/12.2074885

KEYWORDS: Diffraction gratings, Polarization, Wave plates, Diffraction, Silica, Ocean optics, Spectroscopy, Quartz, Spectral resolution, Refractive index

Read Abstract +

Proceedings Article | 6 March 2014 Paper

Non-digitized diffractive beam splitters for high-throughput laser materials processing

J. Amako, E. Fujii

Proceedings Volume 8968, 896807 (2014) https://doi.org/10.1117/12.2034598

KEYWORDS: Beam splitters, Silicon, Laser drilling, Diffraction, Laser processing, Semiconductor lasers, Antireflective coatings, Semiconducting wafers, Silica, Manufacturing

Read Abstract +

SPIE Journal Paper | 4 June 2013 Open Access

Ultraviolet laser writing system based on polar scanning strategy to produce subwavelength metal gratings for surface plasmon resonance

Jun Amako, Eiichi Fujii

OE, Vol. 52, Issue 06, 063403, (June 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.6.063403

KEYWORDS: Reflectivity, Polarization, Ultraviolet radiation, Metals, Laser systems engineering, Surface plasmons, Silica, Raman spectroscopy, Lithography, Gold

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 15 March 2013 Paper

UV laser writing system based on polar scanning strategy to produce subwavelength metal gratings for surface plasmon resonance

J. Amako, E. Fujii

Proceedings Volume 8608, 86080B (2013) https://doi.org/10.1117/12.1000137

KEYWORDS: Ultraviolet radiation, Reflectivity, Metals, Surface plasmons, Polarization, Laser systems engineering, Silica, Neodymium, Gold, Lithography

Read Abstract +

Proceedings Article | 21 February 2011 Paper

Highly efficient diffractive beam splitters surface-structured on submicron scale using deep-UV laser interference lithography

Jun Amako, Daisuke Sawaki, Eiichi Fujii

Proceedings Volume 7921, 79210N (2011) https://doi.org/10.1117/12.871859

KEYWORDS: Beam splitters, Polarization, Deep ultraviolet, Lithography, Reflection, Laser applications, Reflectivity, Silica, Liquids, Submicron lithography

Read Abstract +

Proceedings Article | 25 February 2009 Paper

Subwavelength photoresist patterning using liquid-immersion interference exposure with a deep-UV hologram mask

Daisuke Sawaki, Jun Amako

Proceedings Volume 7202, 72020L (2009) https://doi.org/10.1117/12.808809

KEYWORDS: Holograms, Photomasks, Diffraction, Liquids, Optical lithography, Deep ultraviolet, Interfaces, Reflection, Scanning electron microscopy, Optics manufacturing

Read Abstract +

Proceedings Article | 23 February 2008 Paper

Laser-based micro-bonding of VCSELs using arrayed beams from a fiber laser

Kimio Nagasaka, Jun Amako, Eiichi Fujii

Proceedings Volume 6880, 68800H (2008) https://doi.org/10.1117/12.762762

KEYWORDS: Vertical cavity surface emitting lasers, Diffractive optical elements, Laser bonding, Fiber lasers, Beam splitters, Electrodes, Gallium arsenide, CCD cameras, Laser applications, Laser systems engineering

Read Abstract +

Proceedings Article | 20 March 2007 Paper

Deep-UV laser-based nano-patterning with holographic techniques

Daisuke Sawaki, Jun Amako

Proceedings Volume 6459, 64590F (2007) https://doi.org/10.1117/12.698483

KEYWORDS: Holography, Lithography, Diffraction gratings, Optical components, Diffraction, Free space, Beam splitters, Interfaces, Reflectivity, Deep ultraviolet

Read Abstract +

Proceedings Article | 23 February 2006 Paper

Use of non-digitized diffractive optical elements for high-throughput and damage-free laser materials processing

Jun Amako, Eiichi Fujii, Yutaka Yamazaki, Tatsuya Shimoda

Proceedings Volume 6107, 61070D (2006) https://doi.org/10.1117/12.644440

KEYWORDS: Binary data, Beam splitters, Diffraction, Laser processing, Diffractive optical elements, Silica, Spatial filters, Aluminum, Tolerancing, Continuous wave operation

Read Abstract +

Proceedings Article | 12 April 2005 Paper

Laser-based microprocesses using diffraction-free beams generated by diffractive axicons

Jun Amako, Kazuto Yoshimura, Daisuke Sawaki, Tatsuya Shimoda

Proceedings Volume 5713, (2005) https://doi.org/10.1117/12.585135

KEYWORDS: Axicons, Bessel beams, Glasses, Laser processing, Laser applications, Diffraction, Pulsed laser operation, Polarization, Laser damage threshold, Wavefronts

Read Abstract +

Proceedings Article | 15 July 2004 Paper

Versatile light-control schemes based on diffractive optics for laser drilling, cutting, and joining technologies for microelectronic and micromechanical components and devices

Jun Amako, Tatsuya Shimoda, Kazushige Umetsu

Proceedings Volume 5339, (2004) https://doi.org/10.1117/12.527853

KEYWORDS: Beam splitters, Laser cutting, Laser applications, Laser processing, Semiconducting wafers, Electrodes, Silicon, Diffraction, Diffractive optical elements, Computer generated holography

Read Abstract +

SPIE Journal Paper | 1 August 2001

Fabrication of continuous surface-relief gratings using a high-precision diamond-cutting process

Jun Amako, Hitoshi Nakao, Shinichiro Ochiai

OE, Vol. 40, Issue 08, (August 2001) https://doi.org/10.1117/12.10.1117/1.1370386

KEYWORDS: Error analysis, Diffraction gratings, Diffraction, Optical design, Reflection, Refractive index, Optical engineering, Diamond machining, Phase shift keying, Computer simulations

Proceedings Article | 8 May 2001 Paper

Direct laser-writing of diffractive array illuminators operable at two wavelengths

Jun Amako, Kimio Nagasaka, Eiich Fujii

Proceedings Volume 4416, (2001) https://doi.org/10.1117/12.427085

KEYWORDS: Fiber optic illuminators, Error analysis, Optical design, Photoresist materials, Laser applications, Nd:YAG lasers, Lithography, Laser development, Laser processing, Algorithms

Read Abstract +