Soft Apertures To Shape High-Power Laser Beams

Svetlana G. Lukishova; Pavel P. Pashinin; Sergei Kh. Batygov; Boris M. Terentiev

doi:10.1117/12.961560

26 October 1989 Soft Apertures To Shape High-Power Laser Beams

Svetlana G. Lukishova, Pavel P. Pashinin, Sergei Kh. Batygov, Boris M. Terentiev

Proceedings Volume 1132, High Power Lasers and Laser Machining Technology; (1989) https://doi.org/10.1117/12.961560
Event: 1989 International Congress on Optical Science and Engineering, 1989, Paris, France

Abstract

Soft or apodized apertures with smooth decreasing from centre to edges transmission profiles are used in laser physics for beam shaping. This paper gives the results of the studies of four types of these units for UV, visible and IR lasers. They are made of glasses or crystals with the use of one of the following technologies: 1)absorption induced by ionizing radiation; 2)photodestruction of colour centres or photooxidation of impurities ions; 3)additive colouration; 4)frustrated total internal reflection. The special feature of such apertures is their high optical damage resistance under the irradiation of single--pulse laser radiation. They are approximately 3-50 mm in diameter but the methods of making them give the possibility to create near-Gaussian and flat-top beams with dimensions less than 1 mm and larger than 200 mm. The results of using them in high-power single-pulse lasers are presented herein. Damage thresholds of these apertures in such types of lasers have been defined.

Citation Download Citation

Svetlana G. Lukishova, Pavel P. Pashinin, Sergei Kh. Batygov, and Boris M. Terentiev "Soft Apertures To Shape High-Power Laser Beams", Proc. SPIE 1132, High Power Lasers and Laser Machining Technology, (26 October 1989); https://doi.org/10.1117/12.961560

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