Method and a system for generating a Raman second Stokes light to a source light
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01S-003/30
H01S-003/094
H01S-003/081
H01S-003/083
H01S-003/108
출원번호
US-0039196
(2014-11-27)
등록번호
US-9837787
(2017-12-05)
우선권정보
AU-2013904611 (2013-11-28)
국제출원번호
PCT/AU2014/001078
(2014-11-27)
국제공개번호
WO2015/077823
(2015-06-04)
발명자
/ 주소
Spence, David James
Coutts, David
Mildren, Richard Paul
Pask, Helen Margaret
Lin, Jipeng
Warrier, Aravindan
출원인 / 주소
MACQUARIE UNIVERSITY
대리인 / 주소
Caesar Rivise, PC
인용정보
피인용 횟수 :
1인용 특허 :
1
초록▼
A method and system for generating a Raman second Stokes light to a source light comprising generating a Raman first Stokes light from the source light by a Raman interaction in a nonlinear optical medium disposed in an optical resonator, and resonating the Raman first Stokes light in the optical re
A method and system for generating a Raman second Stokes light to a source light comprising generating a Raman first Stokes light from the source light by a Raman interaction in a nonlinear optical medium disposed in an optical resonator, and resonating the Raman first Stokes light in the optical resonator; generating a seed light at the frequency of the Raman second Stokes light from the source light and the Raman first Stokes light by a four wave mixing process which is not phase matched in the nonlinear medium; amplifying the seed light by transferring power from the first Stokes light resonating in the optical resonator to the seed light using a Raman amplification process in the nonlinear medium; and extracting from the optical resonator a majority of the power of the seed light so amplified.
대표청구항▼
1. A method for generating a Raman second Stokes light from a source light, the method comprising the steps of: generating a Raman first Stokes light from the source light by a Raman interaction in a nonlinear optical medium disposed in an optical resonator, and resonating the Raman first Stokes lig
1. A method for generating a Raman second Stokes light from a source light, the method comprising the steps of: generating a Raman first Stokes light from the source light by a Raman interaction in a nonlinear optical medium disposed in an optical resonator, and resonating the Raman first Stokes light in the optical resonator;generating a seed light at the frequency of the Raman second Stokes light by a four wave mixing process between the source light and the Raman first Stokes light in the nonlinear medium wherein the source light and the Raman first Stokes light are not phase matched;amplifying the seed light by transferring power from the first Stokes light resonating in the optical resonator to the seed light using stimulated Raman scattering in the nonlinear medium to produce the Raman second Stokes light; andextracting from the optical resonator a majority of the Raman second Stokes light. 2. A method defined by claim 1 and wherein the source light comprises a plurality of source light pulses, the Raman first Stokes light comprises a plurality of Raman first Stokes pulses, and the seed light comprises a plurality of seed light pulses. 3. A method defined by claim 2 wherein each of the plurality of source light pulses has a temporal width of less than at least one of 10 ns, 1 ns, 100 ps, 10 ps and 1 ps. 4. A method defined by claim 2 wherein the plurality of source light pulses are spatially coincident with the plurality of Raman first Stokes pulses and the plurality of seed light pulses within the nonlinear optical medium. 5. A method defined by claim 2 wherein the plurality of light source pulses are generated by a mode locked laser. 6. A method defined by claim 1 wherein the nonlinear optical medium comprises a diamond crystal. 7. A method defined by claim 1 wherein the source light, the Raman first Stokes light, and the seed light propagate in a direction of the diamond crystal; and wherein the source light is polarized in the direction of the diamond crystal. 8. A method defined by claim 1 wherein the Raman first Stokes light has a single sense of movement within the optical resonator. 9. A method defined by claim 1 wherein resonating the Raman first Stokes light in the optical resonator comprises the step of the losing less than at least one of 5%, 2%, 1% and 0.5% of the power of the Raman first Stokes light per resonance cycle; and wherein the method comprises the step of extracting from the optical resonator at least one of 83%, 90%, 95%, 96%, 97%, 98%, 99% and 100% of the power of the seed light so amplified. 10. A system for generating a Raman second Stokes light from a source light, the system comprising: an optical resonator having disposed therein a nonlinear optical medium for receiving the source light, the optical resonator inducing a plurality of mirrors configured to resonate a Raman first Stokes light generated by a Raman interaction of the source light when so received by the nonlinear medium, the nonlinear medium being able to support therein a four wave mixing process between the Raman first Stokes light when so generated and the source light wherein the Raman first Stokes light and the source light are not phase matched, the four wave mixing process generating a seed light at the frequency of the Raman second Stokes light the nonlinear medium being able to support therein stimulated Raman scattering to amplify the seed light when so generated by transferring power from the Raman first Stokes light to the seed light to produce the Raman second stokes light; anda light extractor arranged to extract from the optical resonator a majority of the power of the Raman second Stokes light, wherein the light extractor includes one or more of:at least one of the plurality of mirrors;an optical prism; ora dispersive element. 11. A system defined by claim 10 wherein the light extractor comprises at least one mirror that transmits more than 83% of the power of the seed light so amplified. 12. A system defined by claim 10 comprising a source arranged to generate the source light, the source being arranged to generate a plurality of source light pulses, the Raman first Stokes light when so generated comprises a plurality of Raman first Stokes light pulses, and the seed light when so generated comprises a plurality of seed light pulses. 13. A system defined by claim 12 wherein each of the plurality of source light pulses has a temporal width of less than at least one of 10 ns, 1 ns, 100 ps, 10 ps and 1 ps. 14. A system defined by claim 13 wherein the optical resonator has a length such that the plurality of source light pulses are spatially coincident with the plurality of Raman first Stokes pulses and the plurality of seed light pulses within the nonlinear optical medium. 15. A system defined by claim 13 wherein the source of the source light comprises a mode locked laser generating the plurality of source light pulses. 16. A system defined by claim 10 wherein the nonlinear optical medium comprises a diamond crystal. 17. A system defined by claim 16 wherein the optical resonator and the diamond are arranged such that the source light, the Raman first Stokes light, and the seed light propagate in a direction of the diamond crystal; and wherein the source light is polarized in the direction of the diamond crystal. 18. A system defined by claim 10 wherein the optical resonator is not linear. 19. A system defined by claim 10 wherein the optical resonator is configured for less than at least one of 5%, 2%, and 1%, 0.5% loss of the power of the Raman first stokes light per resonance cycle, and wherein the light extractor is arranged to extract from the optical resonator at least one of 86%, 90%, 95%, 96%, 97%, 98%, 99% and 100% of the power of the seed light so amplified.
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이 특허에 인용된 특허 (1)
MacPherson David C. (Conifer CO), Method of and apparatus for generating intracavity double raman shifted laser pulses.
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