Wave - front shearing interferometer 波陳面剪錯(cuò)干涉儀
Radial - shear interferometer 徑向剪切干涉儀
Our collimation testers are lateral - shearing interferometers that can be used to examine and adjust the collimation of laser light 我們的剪切板準(zhǔn)直度測(cè)量?jī)x是用于檢查和調(diào)整激光光束準(zhǔn)直度的橫向剪切干涉儀。
The detection and reconstruction of wavefront by lateral shear interferometer ( lsi ) and hartmann wavefront sensor ( hws ) have been deduced analogically and simulated numerically 對(duì)橫向剪切干涉儀和哈特曼波前傳感器的波前探測(cè)和復(fù)原進(jìn)行了類比推導(dǎo)和仿真計(jì)算。
A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it . some results have been summarized as follows : l . according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront , the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied 本論文在激光光束波前畸變檢測(cè)和控制上進(jìn)行了新的探索,主要就空間相位調(diào)制環(huán)路徑向剪切干涉儀以及它對(duì)波前畸變的檢測(cè)和液晶空間光調(diào)制器及其對(duì)中頻段波前畸變的控制進(jìn)行了研究,其研究的內(nèi)容和取得的成果如下:一、根據(jù)標(biāo)量衍射理論,結(jié)合低頻波前畸變的高斯隨機(jī)位相分布模型,研究了不同均方根梯度低頻畸變波前對(duì)激光光束焦斑聚焦性的影響,并采用描述中頻段波前畸變的功率譜密度概念,模擬計(jì)算了它對(duì)激光焦斑旁瓣的貢獻(xiàn)。