Search Results - The Optical Society of Japan

Dual-wavelengths filter operating at visible wavelength region using subwavelength grating on waveguide structure by Takashima, Yuusuke, Haraguchi, Masanobu, Naoi, Yoshiki

“…A dual-wavelength filter was experimentally demonstrated using subwavelength grating (SWG)/waveguide structure. We designed the structural parameters of the…”
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Spatial mode compensation technique using progressive phase conjugation by Shen, Zeyu, Okamoto, Atsushi, Zhang, Shuanglu, Tomita, Akihisa

“…We propose a spatial mode compensation method using progressive phase conjugation (PPC) to establish a dynamic control technology for mode distribution in…”
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Numerical finite-difference time-domain calculation for extreme enhancement of magneto-optical effect at ultraviolet wavelength using Ni-subwavelength grating on SiO2/Ni structure by Takashima, Yuusuke, Haraguchi, Masanobu, Naoi, Yoshiki

“…An extreme enhancement of the polar Kerr magneto-optical (MO) effect was numerically demonstrated using surface plasmon polaritons (SPPs) at the SiO 2 /Ni…”
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Spatial statistical optics and spatial correlation holography: A review by Takeda, Mitsuo, Wang, Wei, Naik, Dinesh N., Singh, Rakesh K.

“…Classical statistical optics is revisited with the aim of introducing the concept of spatial statistical optics that places particular focus and special…”
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Oxyfluoroborate host glass for upconversion application: phonon energy calculation by Abdel-Baki, Manal, El-Diasty, Fouad

“…Reducing the glass phonon energy is an essential procedure to achieve high efficient radiative upconversion process. The degree of covalence of chemical bonds…”
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A non-contact FBG vibration sensor with double differential temperature compensation by Li, Tianliang, Tan, Yuegang, Zhou, Zude, Zheng, Kai

“…This paper has presented a non-contact fiber Bragg grating (FBG) vibration sensor with double differential temperature compensation. Two FBGs and two states of…”
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Diffuse optical tomography: Present status and its future by Yamada, Yukio, Okawa, Shinpei

“…Diffuse optical tomography (DOT) is one of the emerging modalities for the non-invasive imaging of thick biological tissues using near-infrared (NIR) light…”
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Fiber-optic distributed measurement of polarization beat length using slope-assisted Brillouin optical correlation-domain reflectometry by Lee, Heeyoung, Noda, Kohei, Nakamura, Kentaro, Mizuno, Yosuke

“…We demonstrate distributed measurement of the polarization beat length along single-mode optical fibers (SMFs) using slope-assisted Brillouin optical…”
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Effect of shift in refractive index of dispersive elements in waveband-shift-free optical-phase conjugator based on DFG by Okamura, Yasuhiro, Takada, Atsushi

“…In this study, the effect of the shift in the refractive index between two dispersive elements on the output phase-conjugated (PC) wave power of…”
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Speckle reduction methods in laser-based picture projectors by Akram, M. Nadeem, Chen, Xuyuan

“…Laser sources have been promised for many years to be better light sources as compared to traditional lamps or light-emitting diodes (LEDs) for projectors,…”
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Selective ablation of atherosclerotic lesions with less thermal damage by controlling the pulse structure of a quantum cascade laser in the 5.7-µm wavelength range by Hashimura, Keisuke, Ishii, Katsunori, Awazu, Kunio

“…Cholesteryl esters are the main components of atherosclerotic plaques, and they have an absorption peak at the wavelength of 5.75 µm. To realize less-invasive…”
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Optically deviated focusing method based high-speed SD-OCT for in vivo retinal clinical applications by Wijesinghe, Ruchire Eranga, Park, Kibeom, Kim, Pilun, Oh, Jaeryung, Kim, Seong-Woo, Kim, Kwangtae, Kim, Beop-Min, Jeon, Mansik, Kim, Jeehyun

“…The aim of this study is to provide accurately focused, high-resolution in vivo human retinal depth images using an optically deviated focusing method with…”
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Miniaturized diode laser module emitting green light at 532 nm with a power of more than 900 mW for next-generation holographic displays by Hofmann, Julian, Blume, Gunnar, Jedrzejczyk, Daniel, Eppich, Bernd, Feise, David, Kreutzmann, Sabrina, Sahm, Alexander, Paschke, Katrin

“…We present a micro-integrated laser module based on an amplified diode laser and second harmonic generation which is a promising candidate for a green light…”
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Multi-spectral temperature measurement method for gas turbine blade by Gao, Shan, Feng, Chi, Wang, Lixin, Li, Dong

“…One of the basic methods to improve both the thermal efficiency and power output of a gas turbine is to increase the firing temperature. However, gas turbine…”
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An adaptive multi-feature segmentation model for infrared image by Zhang, Tingting, Han, Jin, Zhang, Yi, Bai, Lianfa

“…Active contour models (ACM) have been extensively applied to image segmentation, conventional region-based active contour models only utilize global or local…”
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Switching non-local vector median filter by Matsuoka, Jyohei, Koga, Takanori, Suetake, Noriaki, Uchino, Eiji

“…This paper describes a novel image filtering method that removes random-valued impulse noise superimposed on a natural color image. In impulse noise removal,…”
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Determination of the scattering coefficient of biological tissue considering the wavelength and absorption dependence of the anisotropy factor by Fukutomi, Daichi, Ishii, Katsunori, Awazu, Kunio

“…The anisotropy factor g , one of the optical properties of biological tissues, has a strong influence on the calculation of the scattering coefficient μ s in…”
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Calibration method of laser plane equation for vision measurement adopting objective function of uniform horizontal height of feature points by Xu, Guan, Hao, Zhaobing, Li, Xiaotao, Su, Jian, Liu, Huanping, Zhang, Xinyuan

“…A calibration method with an objective function generated from a uniform horizontal height is presented in this work for the laser plane in active vision…”
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Phase-shift extraction from twice-normalized light intensity changes recorded with random phase shifts by Adachi, Masaaki, Sunada, Satoshi

“…A simple phase-shift extraction algorithm is proposed for interferograms recorded with random phase shifts that vary over at least 2 π . The…”
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A hybrid of weighted regression and linear models for extraction of reflectance spectra from CIEXYZ tristimulus values by Amiri, Morteza Maali, Amirshahi, Seyed Hossein

“…The principal component analysis (PCA) and the non-negative matrix factorization (NNMF) methods are boosted for the recovery of the reflectance spectra from…”
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