SBIR/STTR Research Award

HIGH SPEED ROTARY OPTICAL POLARIZATION MODULATOR

Award identifier cbbcdd03ddc18edc16e0253630e10c73b099a8623aefc0a4e0fd9b73f5377ce5Awarding agency National Science Foundation

Award amount

$48,218

Program and phase

SBIR · Phase I

Award year

1989

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Award details

Awarding agency
National Science Foundation
Branch
Not reported
Recipient company
Rheometrics Inc
Proposal award date
Not reported
Contract end date
Not reported
UEI
Not reported
Solicitation number
Not reported
Topic code
Not reported

Research abstract

THIS RESEARCH PROGRAM IS AIMED AT THE DEVELOPMENT OF A HIGH SPEED, OPTICAL POLARIZATION MODULATOR FOR USE IN POLARIMETERS AND ELLIPSOMETERS. THE OBJECTIVE WILL BE TO REACH MODULATION FREQUENCIES OF 10-20 KHZ AND IN A MANNER WHICH IS INDEPENDENT OF LIGHT FREQUENCY. THE ROTATIONAL MODULATOR WILL BE USED IN THE CONSTRUCTION OF A HIGH SPEED POLARIMETER AND ELLIPSOMETER FOR THE PURPOSE OF MAKING RAPID AND ACCURATE DETERMINATIONS OF TRANSIENT STRUCTURAL CHANGES IN SOLIDS, LIQUIDS, AND THIN FILMS. THESE INSTRUMENTATIONS WILL HAVE IMPORTANT ADVANTAGES COMPARED WITH PREVIOUS DESIGNS WITH RESPECT TO THE SPEED OF DATA ACQUISITION AND IMPROVED CAPABILITIES, SUCH AS THE ABILITY TO MAKE SPECTROSCOPIC MEASUREMENTS OF PROPERTIES LIKE BIREFRINGENCE AND DICHROISM.

Technology keywords

Not reported

Agency intelligence

National Science Foundation

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