Design and Beam Quality Analysis of Reflective Telescopes through Diffraction Effects and Third Order Aberrations

被引：0

作者：

Lakshmi, K. Shantha ^{[1
]}

Sudhakar, R. ^{[2
]}

机构：

[1] Adhiyamaan Coll, Hosur, Tamil Nadu, India

[2] Dr Mahalingam Coll Engg, Pollachi, Tamil Nadu, India

来源：

APPLIED MECHANICS AND MECHANICAL ENGINEERING IV | 2014年 / 459卷

关键词：

Reflective telescopes; PSF; MTF; Wave front; Aberrations; Schmidt and Houghton cassgrain;

D O I：

10.4028/www.scientific.net/AMM.459.262

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In the design of inter-satellite laser communication terminal, the diffraction effects are raised in the optical system, when we operate at the wavelength of 1550nm. This is because of the line of sight stabilization in space domain. In this paper, we designed various cassgrains which operates at aforementioned wavelength to overcome those effects. In addition, we analyzed the design as a linear beam expander to obtain a magnified beam for a long haul free space transmission. Then the beam quality is evaluated through Point Spread Function(PSF), Modulation Transfer Function(MTF), Wave front, Distortion, Energy plots & third order aberrations. Finally, we study the designs of Schmidt and Houghton type cassgrains out of which one is opted for Inter-satellite Laser communication.

引用

页码：262 / +

页数：2

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