Method of rotationally aligning multispot diode lasers in raster

Details Method of rotationally aligning multispot diode lasers in raster Method of rotationally aligning multispot diode lasers in raster

1997-03-26

1998-07-07

Le, Que

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250205, 372 27, G02F 101

Patent

active

057773190

ABSTRACT:
A method of accomplishing rotational alignment of laser arrays relative to an external optical axis is described. The method uses the laser polarization, which is oriented relative to the axis of the array, as the means of determining the laser array rotational orientation. The method can be rapidly executed in a manual or automatic procedure, has accuracy of better than 0.1 degree, and can be used to orient a laser array at any chosen angle with reflect to an external optical axis.

REFERENCES:
patent: 4011448 (1977-03-01), Hordeski
patent: 4796964 (1989-01-01), Connell
patent: 5233188 (1993-08-01), Arimoto et al.
patent: 5357536 (1994-10-01), Andrews
patent: 5422905 (1995-06-01), Andrews
patent: 5574491 (1996-11-01), Paoli

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