Optical temperature sensor using thermochromic semiconductors

Patent · Tue Aug 20 00:00:00 EDT 1996

OSTI ID:372591

Kronberg, J W

An optical temperature measuring device utilizes thermochromic semiconductors which vary in color in response to changes in temperature. The thermochromic material is sealed in a glass matrix which allows the temperature sensor to detect high temperatures without breakdown. Cuprous oxide and cadmium sulfide are among the semiconductor materials which provide the best results. The changes in color may be detected visually or by utilizing an optical fiber and an electrical sensing circuit. 7 figs.

• Research Organization: Savannah River Site (SRS), Aiken, SC (United States)
• DOE Contract Number: AC09-89SR18035
• Assignee: PTO; SCA: 440500; 440600; PA: EDB-96:145099; SN: 96001644987
• Patent Number(s): US 5,547,283/A/
• Application Number: PAN: 8-332,068
• OSTI ID: 372591
• Resource Relation: Other Information: PBD: 20 Aug 1996
• Country of Publication: United States
• Language: English

Related Subjects

44 INSTRUMENTATION
INCLUDING NUCLEAR AND PARTICLE DETECTORS
TEMPERATURE MEASUREMENT
MEASURING INSTRUMENTS
DESIGN
OPTICAL SYSTEMS
SEMICONDUCTOR MATERIALS
COPPER OXIDES