Improved collimation testing with a multiple beam wedge plate lateral shear interferometer

P. Senthikumaran; K. V. Sriram; Mahendra P. Kothiyal; Rajpal S. Sirohi

doi:10.1117/12.195929

12 December 1994 Improved collimation testing with a multiple beam wedge plate lateral shear interferometer

P. Senthikumaran, K. V. Sriram, Mahendra P. Kothiyal, Rajpal S. Sirohi

Proceedings Volume 2340, Interferometry '94: New Techniques and Analysis in Optical Measurements; (1994) https://doi.org/10.1117/12.195929
Event: International Conference on Interferometry '94, 1994, Warsaw, Poland

Abstract

The plane parallel plate (PPP) and wedge plate (WP) interferometers are the simplest configurations for collimation testing. These elements are usually used in reflection due to high fringe visibility. The reflection coated wedge plate acting as a shearing interferometer both in reflection and transmission is recently reported. This multiple beam wedge plate lateral shear interferometer (MBWPLSI) used for collimation testing gives superior performance compared to an uncoated wedge plate interferometer. In this paper, some aspects of the multiple beam interferometer and its use in the double pass configuration are presented. Double pass results in a system of fringes in which adjacent fringes rotate and split in opposite directions for a non-collimated beam resulting in further improvement in the setting sensitivity.

Citation Download Citation

P. Senthikumaran, K. V. Sriram, Mahendra P. Kothiyal, and Rajpal S. Sirohi "Improved collimation testing with a multiple beam wedge plate lateral shear interferometer", Proc. SPIE 2340, Interferometry '94: New Techniques and Analysis in Optical Measurements, (12 December 1994); https://doi.org/10.1117/12.195929

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $17.00

Non-members: $21.00 ADD TO CART

PROCEEDINGS
8 PAGES

DOWNLOAD PAPER SAVE TO MY LIBRARY

GET CITATION

RIGHTS & PERMISSIONS

Get copyright permission Get copyright permission on Copyright Marketplace

KEYWORDS

Collimation

Interferometers

Wavefronts

Beam splitters

Fringe analysis

Mirrors

Visibility

Show All Keywords

Keywords/Phrases

Search In:

Publication Years