Laser beam scanning using a local deflector integrated with an effective mode filter
Journal Article
·
· Appl. Phys. Lett.; (United States)
Deflection of a diode laser beam using an injection-type deflector monolithically integrated with a very long waveguide is demonstrated. The deflector and the waveguide constitute a laser cavity. The waveguide filters out higher order modes, and only the fundamental-mode light is incident on the deflector. Because the incident light is of a fixed single mode, the deflection of the output beam is very smooth. The deflection mechanism is primarily due to interference between constituent modes for short deflectors, and phase-front tilting of each mode for long deflectors.
- Research Organization:
- Electrotechnical Laboratory, 1-1-4 Umezono, Sakura, Niihari, Ibaraki 305, Japan
- OSTI ID:
- 5881594
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 51:25; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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