Multiple-diode laser optomechanical issues

John E. Jackson; Ben Alan Armentrout; J. P. Buck Jr.; Amos J. Chenoweth; G. A. Elliott; Allen Mark Fox; Jeff T. Ganley; W. C. Gray; L. L. Jett Jr.; Kevin M. Johnson; J. F. Kelsey; R. J. Minelli; Garry E. Rose; W. James Shepherd; Joseph D. Zino

doi:10.1117/12.48844

1 December 1991 Multiple-diode laser optomechanical issues

John E. Jackson, Ben Alan Armentrout, J. P. Buck Jr., Amos J. Chenoweth, G. A. Elliott, Allen Mark Fox, Jeff T. Ganley, W. C. Gray, L. L. Jett Jr., Kevin M. Johnson, J. F. Kelsey, R. J. Minelli, Garry E. Rose, W. James Shepherd, Joseph D. Zino

Author Affiliations +

Proceedings Volume 1533, Optomechanics and Dimensional Stability; (1991) https://doi.org/10.1117/12.48844
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

A high quality Multiple Diode Laser (MDL) has been built that combines 16 Spectra Diode Lab's laser diodes into a single beam using both wavelength and polarization combining. The MDL was designed and built to space flight requirements. Critical submicrometer tolerances to achieve wavelength stability, beam collimation, and beam coalignment and stability were met using developed repeatable processes. The most stressing optomechanical requirement was the placement and cementing of an external etalon very accurately positioned 36.3 +/- 0.05 micron from the diode to control the wavelength of the diode output. The second most stressing optomechanical requirement was maintaining the source decenter from the optical axis of the collimating lens to +/- 0.09 micron to insure coalignment of the 16 diode beams. The design and process techniques used to achieve these most critical optomechauical tolerances will be described as well as MDL performance achieved through environmental testing.

Citation Download Citation

John E. Jackson, Ben Alan Armentrout, J. P. Buck Jr., Amos J. Chenoweth, G. A. Elliott, Allen Mark Fox, Jeff T. Ganley, W. C. Gray, L. L. Jett Jr., Kevin M. Johnson, J. F. Kelsey, R. J. Minelli, Garry E. Rose, W. James Shepherd, and Joseph D. Zino "Multiple-diode laser optomechanical issues", Proc. SPIE 1533, Optomechanics and Dimensional Stability, (1 December 1991); https://doi.org/10.1117/12.48844

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