Very narrow band laser

Patent 5970082 Issued on October 19, 1999. Estimated Expiration Date:

July 1, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

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Inventor

Ershov, Alexander I.

Application

No. 886715 filed on 07/01/1997

US Classes:

372/102, Grating372/20, Tuning372/57, Excimer or exciplex372/95, Unstable resonator372/99, Reflector372/100Prism

Examiners

Primary: Sanghavi, Hemang

Attorney, Agent or Firm

Ross, Esq.; John R.

International Class

H01S 003/08

Abstract

A very narrow band laser. The very narrow bandwidth is achieved by creating an unstable resonance cavity using a cylindrical, partially-reflecting mirror to provide an output coupler in combination with a line narrowing module having a beam expander and a curved grating.

Other References

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