Efficient angle tunable output from a monolithic serial KTA optical parametric oscillator
First Claim
1. An arrangement comprising:
- first means for shifting energy received at a first wavelength and outputting said shifted energy at a second wavelength, said second wavelength being a secondary emission of energy induced by a primary emission generated from said first wavelength by said first means and second means disposed in functional alignment with said first means for containing said primary emission and enhancing said secondary emission thereby.
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Abstract
An arrangement (10) for efficiently shifting energy received at a first wavelength and outputting the shifted energy at a second wavelength. The arrangement (10) includes a laser (12) and an optical parametric oscillator (14) of unique design. The oscillator (14) is constructed with an energy shifting crystal (20) and first and second reflective elements (16) and (18) disposed on either side thereof. Light from the laser (12) at a fundamental frequency is shifted by the crystal and output at a second wavelength. The second wavelength is a secondary emission of energy induced by a primary emission generated by the first wavelength in the crystal. A novel feature of the invention is a coating applied on the reflective elements (16 and/or 18) for containing the primary emission and enhancing the secondary emission. This constrains the energy to be output by the arrangement (10) at the wavelength of the desired secondary emission.
15 Citations
18 Claims
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1. An arrangement comprising:
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first means for shifting energy received at a first wavelength and outputting said shifted energy at a second wavelength, said second wavelength being a secondary emission of energy induced by a primary emission generated from said first wavelength by said first means and second means disposed in functional alignment with said first means for containing said primary emission and enhancing said secondary emission thereby. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An optical parametric oscillator comprising:
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a crystal adapted to shift energy received at a first wavelength and output said shifted energy at a second wavelength, said second wavelength being a secondary emission of energy induced by a primary emission generated from said first wavelength by said crystal and a mechanism disposed in functional alignment with said crystal for containing said primary emission and enhancing said secondary emission thereby.
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17. A mechanism for outputting energy comprising:
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a laser for generating energy at a first wavelength and an optical parametric oscillator for shifting the energy output by said laser, said optical parametric oscillator including;
a crystal adapted to shifting energy received from said laser at a first wavelength and outputting said shifted energy at a second wavelength, said second wavelength being a secondary emission of energy induced by a primary emission generated from said first wavelength by said crystal and a mechanism disposed in functional alignment with said crystal for containing said primary emission and enhancing said secondary emission thereby.
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18. A method for efficiently generating energy at a desired second wavelength including the steps of:
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generating energy at a first wavelength;
shifting the energy and outputting said shifted energy at a second wavelength, said second wavelength being a secondary emission of energy induced by a primary emission generated from said first wavelength and containing said primary emission and enhancing said secondary emission.
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Specification