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Browse Prior Art Database

Clad Yag Rod

IP.com Disclosure Number: IPCOM000080639D
Original Publication Date: 1974-Jan-01
Included in the Prior Art Database: 2005-Feb-27
Document File: 2 page(s) / 40K

Publishing Venue

IBM

Related People

Crist, RW: AUTHOR [+2]

Abstract

A solid-state optically pumped laser assembly is shown with a saturable absorber dye Q-switch.

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Clad Yag Rod

A solid-state optically pumped laser assembly is shown with a saturable absorber dye Q-switch.

In the figure, the assembly comprises a rod of lasing meterial 1 such as YAG. A transparent cladding 2 encompasses the cylindrical periphery of the rod 1 and has an outside diameter greater than n x d, where n is the index of refraction of the cladding 2 and d is the diameter of the rod 1. A first mirror 3 and a second mirror 4 are mounted on opposing ends of the cylindrical cladding 2 and are bonded to the cladding by mounting sleeves 6 and epoxy seals 5 and 7.

A saturable absorber dye Q-switch 11 is located in the region 12 between the first mirror 3 and the rod 1 and is encompassed by the cladding 2. The cavity formed by the region 12 between the rod 1, the cladding 2, the first mirror 3, the second mirror 4 and the Q-switch 11, is filled with a refractive index matching grease 13 of a high viscosity. The resulting assembly is shock resistant and will maintain a permanent alignment of the mirrors and the lasing rod.

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