نتایج جستجو برای: passive phase conjugation

تعداد نتایج: 677367  

2015
DAIFA WANG HAOJIANG ZHOU JOSHUA BRAKE HAOWEN RUAN MOOSEOK JANG CHANGHUEI YANG

This document provides supplementary information to “Focusing through dynamic tissue with millisecond digital optical phase conjugation,” http://dx.doi.org/10.1364/optica.2.000728. It includes a detailed diagram of the optical setup and details pertaining to the framework of binary phase digital optical phase conjugation (DOPC) with theoretical calculations for PBR and an algorithm for single-s...

1996
Shiuan Huei Lin Ying Wu Lian Pochi Yeh Ken Y. Hsu

We investigated 2k-grating-assisted self-pumped phase conjugation in photorefractive Ce:BaTiO3 crystals. The phase-conjugation process involves a combination of four-wave mixing and stimulated photorefractive backscattering. An approximation involving separate interaction regions is used to theoretically calculate the reflectivity of phase conjugation as a function of the coupling strength of f...

Journal: :Optics letters 2003
Mankei Tsang Demetri Psaltis

We propose the use of spectral phase conjugation to compensate for dispersion of all orders, self-phase modulation, and self-steepening of an optical pulse in a fiber. Although this method cannot compensate for loss and intrapulse Raman scattering, it is superior to the previously suggested midway temporal phase conjugation method if high-order dispersion is a main source of distortion. The res...

Journal: :Journal of Research of the National Institute of Standards and Technology 1996

2010
Meng Cui Changhuei Yang

In this work, we report a novel high capacity (number of degrees of freedom) open loop adaptive optics method, termed digital optical phase conjugation (DOPC), which provides a robust optoelectronic optical phase conjugation (OPC) solution. We showed that our prototype can phase conjugate light fields with approximately 3.9 x 10(-3) degree accuracy over a range of approximately 3 degrees and ca...

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