Title

Two-Photon Absorption Induced Transmission Changes In Znse Interference Filters

Comments

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Keywords

Optics

Abstract

We observe two-photon absorption (2PA) of picosecond, 0.6-μm, 0.3-nJ pulses in a 0.4-μm film of ZnSe. We use high-frequency-modulation phase-sensitive detection to be near the shot-noise limit combined with a low-frequency pulse-delay modulation to discriminate against large thermal nohlinearities. This dual-modulation technique, combined with the field enhancement produced by placing the film in a resonant cavity, permits observation of 2PA and other fast nonlinearities by using pulses having peak powers of the order of 1 W.

Journal Title

IEEE Transactions on Circuits and Systems

Volume

5

Issue/Number

6

Publication Date

1-1-1988

Document Type

Article

Language

English

First Page

1289

Last Page

1292

WOS Identifier

WOS:A1988N843600012

ISSN

0740-3224

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