Tunable laser oscillator
AssigneeLamba Physik Gesellschaft zur Herstellung von Lasern mbH & Co. KG
InventorHermann Bucher
Life of this patent
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Abstract
A tunable laser oscillator with a broadband emitting and thereby wavelength tunable laser medium. An optical resonator is provided for setting the wavelength of the laser radiation. Following the resonator is a device for spectral filtering and for producing a spectrally purer emitted laser radiation. An aperture is mounted in the path of the radiation following that device. The mechanism used for setting the wavelength of the laser radiation also forms the device for spectral filtering and for producing the spectrally purer emitted laser radiation. An optical arrangement is provided for feeding back the radiation leaving the resonator onto the joint mechanism and device.
Claims11
A tunable laser oscillator with a broadband emitting and wavelength tunable laser medium, comprising:
- an optical resonator with means for setting the wavelength of the laser radiation;
- means in said resonator for spectral filtering and for producing a spectrally purer emitted laser radiation;
- aperture means mounted in the path of the radiation from said means for spectral filtering for stopping stray light and passing only spectrally filtered radiation;
- said means for setting the wavelength of the laser radiation also forming said means for spectral filtering and for producing the spectrally purer emitted laser radiation;
- and optical means for feeding back the radiation leaving the resonator on to said means for spectral filtering, said means for setting the wavelength of the laser radiation comprising a single device with said means for spectral filtering so that synchronization of said means for setting the wavelength in accordance with said means for spectral filtering is avoided.
Dependencies are inferred from the claim text.