Advanced Electroactive Single Crystal and Polymer Actuators for Passive Optics

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$599,997.00
Award Year:
2006
Program:
SBIR
Phase:
Phase II
Contract:
NNL06AA09C
Award Id:
74430
Agency Tracking Number:
041782
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
2820 East College Avenue, State College, PA, 16801
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
782683007
Principal Investigator:
Paul Rehrig
Principal Investigator
(814) 238-7485
paul@trstechnologies.com
Business Contact:
Wesley Hackenberger
President
(814) 238-7485
wes@trstechnologies.com
Research Institution:
n/a
Abstract
Large stroke and high precision electroactive single crystal and polymer actuators are desired for cryogenic passive optics such as Fabry-Perot Interferometer (FPI) and Fourier Transform Spectrometer (FTS) in NASA remote sensing missions. The results of the Phase I program have successfully demonstrated the feasibility of using electroactive single crystal and polymer actuator concepts for large stroke, high precision cryogenic actuations for passive optics. We believe this result justifies the Phase II continuation to develop electroactive single crystal and polymer actuators for cryogenic tunable FPI and FTS for remote sensing applications. In particular, single crystal stack actuators with stroke of 25 um at 77K, flextensional actuator with stroke of 100-200 um and hybrid single crystal /polymer HYBAS actuators with stroke 1-2 mm will be developed for both current cryogenic tunable FPI and future passive optics. Single crystal piezoelectrics are attractive because they exhibit 3 to 5 times the strain of conventional piezoelectric ceramics, have very low strain hysteresis, and retain excellent piezoelectric performance at cryogenic temperatures. HYBAS actuation concept exhibits significant strain improvement by combining single crystal piezoelectrics and EAP.

* information listed above is at the time of submission.

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