Optimized mode-locked, frequency doubled laser

Details Optimized mode-locked, frequency doubled laser Optimized mode-locked, frequency doubled laser

Filed on

1977-04-07

Date issued

1978-11-28

Examiner

Sikes, William L.

Patent Class

Oscillators

SubClass

Molecular or particle resonant type

Other Related Categories

331 945N, H01S 310

Type

Patent

Status

active

Patent number

041278275

Description

ABSTRACT:
In a solid state, folded cavity, laser having a fundamental frequency and a second harmonic frequency, the efficiency of the laser is improved by placing a quarter wave plate, at the lower frequency, in the leg of the cavity containing the lasing element and positioning the quarter wave plate by angular rotation to compensate for any polarization discrimination to the laser rod gain.

REFERENCES:
patent: 3487230 (1969-12-01), Costich
patent: 3928818 (1975-12-01), White
patent: 3975693 (1976-08-01), Barry et al.

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