Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Shin Yoshikado"'
Publikováno v:
The Review of Laser Engineering. 31:758-761
Publikováno v:
Optics Communications. 203:363-369
We present a technique of photorefractive low-pass temporal filter. The performance of this filter is characterized and simulated by a resistance–capacitor (RC) filter circuit. An example of applying this filter to process a time-dependent fluctuat
Publikováno v:
Japanese Journal of Applied Physics. 41:107-110
We demonstrate the bistable behavior in a photorefractive self-pumped phase-conjugator (SPPC) theoretically and experimentally. In the method, an incoherent erase beam is used to erase the four-wave mixing (FWM) region of the SPPC, and thus the thres
Publikováno v:
The Review of Laser Engineering. 29:808-811
We present a technique of photorefractiveffects for white-light incoherent-to-coherent conversion and oneway image transmission through a thick turbulent medium. A high resolution photorefractive incoherent-tocoherent optical converter was realized e
Publikováno v:
Optics Communications. 182:237-241
We demonstrate a novel photorefractive incoherent-to-coherent optical converter in which there is a ∼45° angle between the propagation direction of the incoherent image and the grating vector. Thus the number of the grating periods in one pixel is
Publikováno v:
Applied Physics B: Lasers and Optics. 70:243-247
We present the numerical results of the photorefractive two-wave mixing in the presence of an incoherent beam by considering the influence of the ratios of the intensities and the light-excitation cross sections of the incoherent beam to the coherent
Publikováno v:
The Review of Laser Engineering. 28:819-823
Topical experimental results of artificial star generation are presented. The generation system utilizes a 1.5 m diameter telescope of CRL for transmitting a laser beam to illuminate the atmosphere and for receiving backscattered light. The light sou
Autor:
H. Umemoto, Y. Nozaki, K. Kongo, A. Masuda, H. Matsumura, Masayuki Nakamura, Masaru Hori, Toshio Goto, Masafumi Ito, Nobuo Ishi, Kazutoshi Yoshimura, Masaki Kamatani, Satoshi Ihara, Saburoh Satoh, Chobei Yamabe, Yukihiro Hiraga, Yasuhiko Abe, Yoshizumi Yasuoka, K. Tokuyama, H. Yoneda, K. Ueda, H. Yamamoto, K. Baba, D. Watanabe, H. Shibata, K. Toyoda, Yoshihiro YAMAUCHI, Keishin OHTA, Yuji KAWAKAMI, Eiichi OZAWA, Chul-Han Oh, Sung-Jin Park, Chun-Woo Lim, Sung-Soo Suk, E. J. Moller, M. R. Howells, Yuji Nonaka, Shinichiro Nakazono, Yuji Oki, Mitsuo Maeda, Takao TANAKA, Yasukazu IZAWA, S. Iwasa, A. Mori, K. Suzuki, J. Nakata, Jiasen Zhang, Shin Yoshikado, Tadashi Aruga, Kouki Ikuta, Tutomu Kudo, Nilesh J. Vasa, T. Fukuchi, T. Fujii, N. Goto, K. Nemoto, N. Takeuchi, Kunio Baba, Tadayuki Sugimori, Yoshio Ishii, Kazuhiro Watanabe, Yuzuru Kubota
Publikováno v:
The Review of Laser Engineering. 28:123-125,128
Publikováno v:
Optics Communications. 156:188-198
We numerically investigated the diffraction properties of an image-bearing beam from a fixed index grating in a photorefractive medium at steady-state, in which the field of the image-bearing beam is decomposed into a combination of Fourier plane-wav
Publikováno v:
Applied Physics B: Lasers and Optics. 66:207-211