Accession Number:

AD0726783

Title:

A Pyroelectric Energy Meter,

Descriptive Note:

Corporate Author:

DEFENCE RESEARCH ESTABLISHMENT VALCARTIER QUEBEC

Personal Author(s):

Report Date:

1970-05-25

Pagination or Media Count:

5.0

Abstract:

The energy measurement of high peak power CO2 laser pulses is generally accompanied by permanent damage to the surface of the detecting element. The use of appropriate optics simultaneously reducing the field density and enlarging the detection area appears to be a successful means to bypass this difficulty. The instrument described in this paper combines diverging optics with a large sensing sheet made of pyroelectric material in order to provide fast response. The deivce is capable of detecting a 10 J, 10 MW peak power pulse at a repetition rate of 10 pulsessec. Its spectral response is flat from 0.36 to 12 micrometers. Author

Subject Categories:

  • Lasers and Masers
  • Test Facilities, Equipment and Methods

Distribution Statement:

APPROVED FOR PUBLIC RELEASE