Waveguide laser

Details Waveguide laser Waveguide laser

H - Electricity

01

S

H01S 3/08 (2006.01) H01S 3/03 (2006.01) H01S 3/07 (2006.01) H01S 3/081 (2006.01) H01S 3/098 (2006.01)

Patent

CA 2162264

A waveguide laser (10) incorporates a guide (12) and two concave resonator mirrors (14, 16). The guide (12) is of square section with side (2a), and of length L equal to 4a/.lambda., where .lambda. is a laser operating wavelength. The mirrors (14, 16) are phase matched to respective Gaussian intensity profile radiation beams with beam waists at respective waveguide end apertures (20, 22). Each beam waist has a radius w0 in the range 0.1a to 0.65a to avoid waveguide edge effects and excitation of unwanted high order waveguide modes. The laser (10) has good transverse spatial mode characteristics.

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