Pseudo-random phase plates

被引：27

作者：

Ebstein, SM ^{[1
]}

机构：

[1] Lexitek Inc, Wellesley, MA USA

来源：

HIGH-RESOLUTION WAVEFRONT CONTROL: METHODS, DEVICES, AND APPLICATIONS III | 2002年 / 4493卷

关键词：

adaptive optics; phase plates; atmospheric turbulence;

D O I：

10.1117/12.454707

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Well-characterized test conditions are essential for validating the engineering design of an adaptive optical system. A technique for fabricating high-re solution, well-characterized pseudo-random phase plates that addresses this need is described. Among other uses, these phase plates can be used to test adaptive optics systems under controlled conditions. Machining a surface whose relief height is proportional to the desired phase forms a pixellated phase plate. Using Lexitek's Near-Index-Match(TM) approach, a sandwich of two materials is formed that produces the desired phase. Phase plates with 20 micron pixels have been fabricated using a 4096x4096 pixel grid. Results are presented.

引用

页码：150 / 155

页数：6

共 8 条

[1] INFLUENCE OF THE WAVE-FRONT CORRELATION-FUNCTION AND DETERMINISTIC WAVE-FRONT ABERRATIONS ON THE SPECKLE IMAGE-RECONSTRUCTION PROBLEM IN THE HIGH-LIGHT-LEVEL REGIME [J].