Patent ID: 11906500
Assignee: GOVERNMENT OF THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF THE AIR FORCE
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 5:
6. The apparatus of claim 5 wherein:
a) said chamber comprises a material selected from the group coinciding of steel, quartz, graphite and mixtures thereof,
b) each of said one or more areas of said apparatus providing optical access to said chamber comprising a material selected from the group consisting of glass, quartz, silicon dioxide, zirconium fluoride, indium fluoride, magnesium fluoride, calcium fluoride, silicon, barium fluoride, zinc selenide, and mixtures thereof said materials; and
c) each of said heat sources capable of heating one or more areas of said chamber is independently selected from the group consisting of resistive heaters.