An unstable resonator laser with a modified output coupling scheme
Journal Article
·
· Journal of Applied Physics; (USA)
- Center for Advanced Technology, PO Cat, Rajendra Nagar, Indore 452012, India (IN)
Unstable resonator lasers with a scraper mirror as output coupler suffers from diffraction effects associated with uniformly illuminated aperture. The near-field intensity distribution is annular in shape with minima at the center. In this communication, a modified resonator is suggested in which the resonator is folded and the scraper mirror is replaced by a partially transmitting mirror to provide the output coupling. The modified resonator is applied to a copper vapor laser. Observed near-field distribution is uniform across the beam and the intensity of the diffraction rings in the far-field profiles is considerably reduced.
- OSTI ID:
- 6900549
- Journal Information:
- Journal of Applied Physics; (USA), Journal Name: Journal of Applied Physics; (USA) Vol. 67:8; ISSN 0021-8979; ISSN JAPIA
- Country of Publication:
- United States
- Language:
- English
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