A Fisheye Lens as a Photonic Doppler Velocimetry Probe
Conference
·
OSTI ID:1056501
These presentation visuals report an instrument that, by use of a fish-eye lens, generates a beat signal using fiber mixing of unshifted light with Doppler-shifted light and measures the beat frequency. Ray trace diagrams are shown to illustrate advantages and disadvantages. The authors find their instrument has a long tracking distance, and large angle coverage. Index matching eases assembly, reduces return loss and flattens the field.
- Research Organization:
- Nevada Test Site (NTS), Mercury, NV (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA)
- DOE Contract Number:
- DE-AC52-06NA25946
- OSTI ID:
- 1056501
- Report Number(s):
- DOE/NV/25946-1579
- Resource Relation:
- Conference: SPIE, San Diego Conference, August 16, 2012
- Country of Publication:
- United States
- Language:
- English
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