Tunable off resonant optically pumped laser专利检索-脉冲电场电场物理专利检索查询-专利查询网

Tunable off resonant optically pumped laser

阅读：619发布：2023-07-08

专利汇可以提供Tunable off resonant optically pumped laser专利检索，专利查询，专利分析的服务。并且A tunable off resonant optically pumped laser system in which a high power pulsed laser is utilized to optically pump a molecular gas having a vibrational absorption band near the laser frequency. The electric field of the pumping laser is at least as great as a predetermined strength so that upon the application of a D.C. electric field on the absorbing gas the resultant submillimeter laser oscillation is capable of being tuned.，下面是Tunable off resonant optically pumped laser专利的具体信息内容。

权利要求

1. An off resonant optically pumped laser system comprising a resonator, a molecular gas located within said resonator, and a pumping laser producing a beam of light in optical alignment with said resonator for pumping said gas in an off resonant mode, said gas having a vibrational absorption band near but not at the emission frequency of said laser and the electrical field, E, of said pumping laser being sufficiently large so that the quantity Mu E/h > OR = omega - omega o where omega - omega o NOT = 0 and where Mu is the dipole matrix of said particular vibrational absorption band, h is Planck''s constant, and omega and omega o are the frequency of emission of said pumping laser and the frequency of said absorption band center of said gas, respectively, so that said optical pumping of said laser system takes place in the off-resonant condition.

2. An off resonant optically pumped laser system as defined in claim 1 further comprising a pair of parallel spaced metal plates located in said resonator and a voltage source connected thereto whereby upon the application of a voltage to said plates the output of said laser system may be tuned.

3. An off resonant optically pumped laser system as defined in claim 2 wherein said voltage source is variable.

4. An off resonant optically pumped laser system as defined in claim 2 wherein said metal plates are adjustable in spacing.

5. A method of optically pumping a laser system in the off-resonant condition comprising the steps of: a. placing a molecular gas within a resonator, said gas having a vibrational absorption band center omega o; b. off resonantly pumping said gas by applying a pumping laser beam to said molecular gas, said pumping laser beam having a frequency omega and being near but not at said vibrational absorption band of said gas to provide a population inversion in said gas; and c. ensuring that the electrical field, E, of said pumping laser is sufficiently large so that the quantity Mu E/h > or = omega - omega o where omega - omega o not = 0 and where Mu is the dipole matrix of said vibrational absorption band and h is Plank''s constant so that said optical pumping of said laser system takes place in the off-resonant condition.

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Tunable off resonant optically pumped laser

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