Claims
- 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 resulting from a secondary process induced by a primary emission of energy at a third wavelength, said third wavelength resulting from a primary process generated from said first wavelength by said first means; second means disposed in functional alignment with said first means for containing said primary emission and enhancing said secondary process thereby; and third means for shifting energy received at said second wavelength and outputting said shifted energy at a fourth wavelength.
- 2. The invention of claim 1 wherein said second means includes first and second reflective means.
- 3. The invention of claim 2 wherein said first and second reflective means have high reflectivity at said third wavelength of the primary emission.
- 4. The invention of claim 2 wherein said first reflective means has high reflectivity at said second wavelength of the secondary emission.
- 5. The invention of claim 2 wherein said second reflective means is partially transmissive at said second wavelength with a predetermined reflectivity.
- 6. The invention of claim 5 wherein said predetermined reflectivity is about fifty percent.
- 7. The invention of claim 2 wherein said primary process generates an additional emission of energy at a fifth wavelength.
- 8. The invention of claim 7 wherein said first and second reflective means have low reflectivity at said fifth wavelength.
- 9. The invention of claim 2 wherein said secondary process generates an additional emission of energy at a sixth wavelength.
- 10. The invention of claim 9 wherein said first and second reflective means have low reflectivity at said sixth wavelength.
- 11. The invention of claim 2 wherein said first and second reflective means are first and second mirrors.
- 12. The invention of claim 11 wherein said first mirror includes a first surface and a second surface.
- 13. The invention of claim 12 wherein said first surface of said first mirror has greater than 99% transmission at said first wavelength; greater than 90% transmission at said fifth wavelength; and greater than 90% transmission at said sixth wavelength.
- 14. The invention of claim 12 wherein said second surface of said first mirror has greater than 97% transmission at said first wavelength; greater than 99% reflection at said third wavelength; greater than 99% reflection at said second wavelength; greater than 90% transmission at said fifth wavelength; and greater than 90% transmission at said sixth wavelength.
- 15. The invention of claim 11 wherein said second mirror includes a first surface and a second surface.
- 16. The invention of claim 15 wherein said first surface of said second mirror has 98-99% reflection at said third wavelength; 50% reflection at said second wavelength; greater than 90% transmission at said fifth wavelength; and greater than 90% transmission at said sixth wavelength.
- 17. The invention of claim 15 wherein said first surface of said second mirror has greater than 99% reflection at said first wavelength; greater than 97% transmission at said second wavelength; greater than 90% transmission at said fifth wavelength; and greater than 90% transmission at said sixth wavelength.
- 18. The invention of claim 1 wherein said first means is a crystal.
- 19. The invention of claim 18 wherein said crystal is X cut.
- 20. The invention of claim 18 wherein said crystal is rubidium titanyl arsenate (RTA).
- 21. The invention of claim 20 wherein said first wavelength is approximately 1.06 microns, said second wavelength is approximately 3.01 microns and said third wavelength is approximately 1.61 microns.
- 22. The invention of claim 1 wherein said third means includes an optical parametric oscillator.
- 23. The invention of claim 22 wherein said optical parametric oscillator includes a silver gallium selenide crystal.
- 24. The invention of claim 1 wherein said fourth wavelength is in the range of 8-12 microns.
- 25. The invention of claim 1 wherein said fourth wavelength is in the range of 4.0-4.8 microns.
- 26. A mechanism for outputting energy comprising:
a laser for generating energy at a first wavelength; a first optical parametric oscillator for shifting the energy output by said laser to a second wavelength, said first optical parametric oscillator including:
a crystal adapted to shifting energy received from said laser at said first wavelength and outputting said shifted energy at said second wavelength, said second wavelength resulting from a secondary process induced by a primary emission of energy at a third wavelength, said third wavelength resulting from a primary process 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 process thereby; and a second optical parametric oscillator for shifting the energy output by said first optical parametric oscillator to a fourth wavelength.
- 27. A system for outputting energy in the 8-12 μm region comprising:
a laser for generating energy at 1.06 μm; a first optical parametric oscillator for shifting the energy output by said laser to 3.01 μm, said first optical parametric oscillator including:
an x-cut rubidium titanyl arsenate crystal adapted to shifting energy received from said laser at 1.06 μm and outputting said shifted energy at 3.01 μm, said 3.01 μm wavelength resulting from a secondary process induced by a primary emission of energy at 1.61 μm, said 1.61 μm wavelength resulting from a primary process generated from said 1.06 μm wavelength by said crystal, and a mechanism disposed in functional alignment with said crystal for containing said primary emission and enhancing said secondary process thereby; and a second optical parametric oscillator for shifting the energy output by said first optical parametric oscillator to 8-12 microns, wherein said second optical parametric oscillator includes a silver gallium selenide crystal.
- 28. A method for efficiently generating energy at a desired fourth wavelength including the steps of:
generating energy at a first wavelength; shifting said energy at said first wavelength and outputting said shifted energy at a second wavelength, said second wavelength resulting from a secondary process induced by a primary emission of energy at a third wavelength, said third wavelength resulting from a primary process generated from said first wavelength; containing said primary emission and enhancing said secondary process thereby; and shifting said energy at said second wavelength and outputting said shifted energy at a fourth wavelength.
- 29. A method for generating a secondary emission including the steps of:
applying a laser to a crystal to produce a primary emission, wherein said crystal is potassium titanyl arsenate, and applying said primary emission to said crystal to produce a secondary emission.
- 30. A method for generating a secondary emission including the steps of:
applying a laser to a crystal to produce a primary emission, wherein said crystal is an isomorph of potassium titanyl arsenate, and applying said primary emission to said crystal to produce a secondary emission.
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application is a continuation-in-part of U.S. patent application Ser. No. 09/478,229, entitled MONOLITHIC SERIAL OPTICAL PARAMETRIC OSCILLATOR filed Jan. 6, 2000, by J. M. Fukumoto (Atty. Docket No. PD 99W073). In addition, this application relates to copending application Ser. No. ______ entitled EFFICIENT ANGLE TUNABLE OUTPUT FROM A MONOLITHIC SERIAL KTA OPTICAL PARAMETRIC OSCILLATOR, filed ______ by J. M. Fukurnoto (Atty. Docket No. PD 01W0007).
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
09478229 |
Jan 2000 |
US |
Child |
10045814 |
Jan 2002 |
US |