Wave-plate structures, power selective optical filter devices, and optical systems using same
Patent
·
OSTI ID:1069118
- San Ramon, CA
In an embodiment, an optical filter device includes an input polarizer for selectively transmitting an input signal. The device includes a wave-plate structure positioned to receive the input signal, which includes first and second substantially zero-order, zero-wave plates arranged in series with and oriented at an angle relative to each other. The first and second zero-wave plates are configured to alter a polarization state of the input signal passing in a manner that depends on the power of the input signal. Each zero-wave plate includes an entry and exit wave plate each having a fast axis, with the fast axes oriented substantially perpendicular to each other. Each entry wave plate is oriented relative to a transmission axis of the input polarizer at a respective angle. An output polarizer is positioned to receive a signal output from the wave-plate structure and selectively transmits the signal based on the polarization state.
- Research Organization:
- Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC04-94AL85000
- Assignee:
- Sandia Corporation (Albuquerque, NM)
- Patent Number(s):
- 8,213,070
- Application Number:
- 12/767,327
- OSTI ID:
- 1069118
- Country of Publication:
- United States
- Language:
- English
Measurements and analyses of fields in fused tapered single-mode fiber couplers
|
journal | January 1989 |
Intensity discrimination of optical pulses with birefringent fibers
|
journal | January 1982 |
The 4FAD: a high-extinction-ratio, achromatic, temperature-insensitive, high-damage-threshold, all-fiber, power-selective filter
|
conference | January 2011 |
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