PRE-07 MECHANICAL DESIGN OF LARGE-APERTURE DISK AMPLIFIERS FOR A HIGH-POWER SOLID-STATE LASER(MM/Micro/Nano Precision Equipments III,Technical Program of Oral Presentations)

Abstract

The main purpose of the paper is to describe mechanical design of large-aperture disk amplifiers for a high-power solid-state laser. The 400mm-aperture amplifiers use a modular and bottom-access design to facilitate replacement. The key components, such as laser slabs, central flashlamp cassettes, side flashlamp cassettes, reflectors and blast shields, are mounted in line-replaceable units (LRU) which are contained in a clean enclosure to maintain cleanliness. Flowing nitrogen gas is used to cool neodymium glass laser slabs and reduce the amplifier thermal recovery time.