extinction radtio

Study of the attenuator for the high extinction ratio testing system;

高消光比测试系统衰减器的研究

An automatic measurement system for extinction ratio in visible spectrum based on correlation detection principle;

相关检测法宽光谱消光比智能化测试系统

Effect of the extinction ratio on the performance of optical duobinary transmission;

消光比对光双二进制传输性能的影响

The module can select single pulse from the CW of mode locking laser and guarantee high extinction rate(≥46 dB) and low insert loss(≤7 dB).

模块能够从锁模激光器的连续脉冲中选出一个单脉冲,并保证消光比≥46dB,插入损耗≤7dB。

The direfractive gradent and the extinction rate ,the photorefraction(photodamage) threshold,the infrared transmission spectra and the photo conductivition of crystals have been measared.

本文报道高掺镁铌酸锂晶体的生长，测试了晶体的光学性能——双折射梯度和消光比、晶体的光折变阈值、红外透射光谱和光电导。

It also has a high extinction rate(≥30dB) and l.

并实现输出消光比≥30 dB,插入损耗≤7 dB。

A new checking method of the range finding capability,extinction ratio measurement without target,by which laser emission capability and reception capability can be dividually measured,is put forward.

提出了一种新型的激光测距机测距能力的检测方法———无靶板消光比法 ,它采用消光比技术将激光发射能力和激光接收能力分开进行直接测量。

The test result shows that this prism has excellent polarizing character: the wide band,wide angle and high extinction ratio.

介绍了一种用于硅基液晶光学系统的薄膜型偏振分束棱镜的研制,其中膜系由三种膜料56层膜层构成,文中介绍了设计结果及其制作工艺,并对其测试系统进行了简要说明,测试了制作样品,对测试结果和设计值进行简要分析,结果表明该偏振分束棱镜实现了大角度、宽波段、高消光比的要求。

A Novel Control Method to Maintain Extinction Ratio in the Optical Transceiver

一种新型的保持光收发模块消光比稳定的技术

Experimental Study of the Extinction Ratio and Stability of Light Source on Interferometric Fiber Optic Gyroscope;

干涉型光纤陀螺的消光比和光源稳定性实验研究

The extinction ratio changes with the operation current and temperature.

消光比随注入电流和温度的升高而变化。

Test method for extinction ratio of Nd: YAG laser rods

GB/T11297.3-1989掺钕钇铝石榴石激光棒消光比的测量方法

"Test method for extinction ratio of LN, KDP and KDP electrooptic crystal"

GB/T11297.12-1989电光晶体铌酸锂、磷酸二氢钾和磷酸二氘钾消光比的测量方法

For the air-spaced polarising prism the air-gap thickness can be decreased infinitely to gain the large semi-field angle, or otherwise the extinction ratio is affected seri-ously.

空气间隔偏振棱镜的气隙厚度可无穷减小,以获得大的半视场角,但其消光比将受到严重影响。

Comparison of Skull Tissue Ablation with Pulse CO_2 and Er:YAG Lasers

脉冲CO_2激光与Er:YAG激光颅骨组织消融的比较

The molecular extinction coefficient is equal to the ratio of the log of the intensity of the incident and emergent light.

分子的消光系数等于入射光和透射光强度对数的比。

The molecular extinction coefficient is equal to the ration of the log of the intensity of the incident and emergent light.

分子的消光系数等于入极大时的入射光和透射光强度比的对数。

Extinction Characteristic of the Copper Powder Smoke Screen and the Comparative Trial of the Infrared

铜粉烟幕的消光特性及其红外遮蔽效果对比试验

delustred fibre

消光纤维,无光纤维

As the day wore along he came into valleys or swales where game was more plentiful.

时光渐渐消逝，他走进了连绵的山谷，或者说是沼地，这些地方的野物比较多。

The change dropped his no call, no show rate from 30 to 10 percent immediately.

两个字的改变使既没来电话取消预订、最后又没有光顾的比率，从30％降到了10％。

The energy dissipation rate is 40 to 70% higher than that of the skimming spillway.

在试验范围内,台阶式溢洪道与光滑溢洪道比较,消能率可以提高40% ~70%。

ratio-recording spectophotometer

比率记录分光光度计

rid the house of mice

把房子里的老鼠消灭光.

FULL DULL POLY TEXTURED OXFORD

全消光涤纶低弹牛津布

black acrylic matt ename

黑色丙烯酸消光磁漆