搜索结果: 1-10 共查到“光学工程 High efficiency”相关记录10条 . 查询时间(0.141 秒)
Liquid crystal panel for high efficiency barrier type autostereoscopic three-dimensional displays
2011/12/13
An autostereoscopic display with parallax barrier attached onto a liquid crystal panel suffers from the trade-off between brightness and crosstalk. One approach for making improvement by modifying the...
High-Efficiency Polarized Light Illumination System for Liquid-Crystal-Display Projectors
liquid crystal display illumination system projector polarization conversion shape conversion offset design
2011/11/30
We present a new optical system with two identical s- and p-polarized light paths for converting a random polarized beam into a linearly polarized one. The system also provides a uniform and rectangul...
High-efficiency micro-optical color filter for liquid-crystal projector system applications
2011/11/30
High-efficiency color filters composed of a microprism array, optical interference color filters, and a microlens array light compressor were developed to increase the optical throughput of liquid-cry...
High Efficiency Optical Switches with Heater-on-Slab (HoS) Structures
Couplers Switches Multiplexers Waveguides Slab
2011/5/21
We propose optical switches in which the heater is fabricated directly on the slab region of the rib waveguide. Two types of Heater-on-Slab (HoS) switches were investigated. In the first type, the sil...
XPM-Induced Spectral Distortion in High Efficiency,Picosecond,Fiber Optical Parametric Oscillators
XPM-Induced Spectral Distortion High Efficiency Fiber Optical Parametric Oscillators
2011/5/15
We describe a 230nm tunable fiber optical parametric oscillator (FOPO) using an 8ps pump laser. The FOPO generates 2-4ps pulses with conversion efficiency as high as 20%. The output spectrum exhibits ...
High Efficiency Nonuniform Grating Coupler by Utilizing the Lag Effect in the Dry Etching Process
Integrated optics devices Gratings
2010/6/10
Utilizing the lag effect in dry etching, a nonuniform silicon-on-insulator grating coupler is designed and fabricated. Over 80% (>-1dB) coupling efficiency is theoretically obtained and experimental c...
High-Power, High-Efficiency Laser Diodes for Pumping Fiber Lasers
High power laser diode Funryu-heatsink Fiber disk laser
2009/6/12
We have been developing high-power, high-efficiency laser diodes (LD) for pumping the structural figure fiber laser. Coexisting of a high beam quality and high power is demanded of the excitation of t...
6.8-W High Efficiency Yb:YAG Ceramic Laser at Room Temperature
Yb:YAG Ceramic laser High efficiency
2009/6/1
A high-power efficient ceramic Yb:YAG laser was demonstrated at a room temperature of 20°C with an Yb concentration of 9.8 at.%, a gain medium of 1 mm, a pumping power of 13.8 W, an output coupler of ...
High-Efficiency Intracavity Continuous-Wave Green-Light Generation by Quasiphase Matching in a Bulk Periodically Poled MgO:LiNbO3 Crystal
Quasiphase Matching LiNbO3 Crystal
2008/10/31
908 mW of green light at 532 nm were generated by intracavity quasiphase matching in a bulk periodically poled MgO:LiNbO3 (PPMgLN) crystal. A maximum optical-to-optical conversion efficien...
High efficiency supercontinuum generation using ultra-long Raman fibre cavities
High efficiency supercontinuum Raman fibre cavities
2008/7/30
Supercontinuum generation in a multi-fibre ultra-long Raman fibre laser cavity is investigated experimentally. By using this cavity configuration we demonstrate improved spectral flatness and supercon...