Longitudinally pumped laser oscillator
Patent
·
OSTI ID:7004531
This patent describes an apparatus for generating cavity mode. It comprises: a resonant cavity supporting a cavity mode along a resonant path. The cavity characterized by a segment of the resonant path in which the cavity mode is astigmatic; a laser medium mounted within the segment of the resonant path so that a volume of the astigmatic cavity mode within the laser medium defines a cavity mode volume; means, mounted with the resonant cavity, for supplying a pump beam having a wavelength different from the cavity mode; astigmatic focusing means, mounted at a preselected angle of incidence with the pump beam, for focusing the pump beam along a longitudinal axis to define a pumped volume in the laser medium, such that the best average match of the pumped volume and the cavity mode volume within the laser medium is achieved to thereby maximize output power from the laser medium; and means, mounted with the resonant cavity, for abstracting energy from the cavity mode to produce an output beam.
- Assignee:
- Spectra-Physics, San Jose, CA
- Patent Number(s):
- US 4894831; A
- Application Number:
- PPN: US 7-241698A
- OSTI ID:
- 7004531
- Country of Publication:
- United States
- Language:
- English
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