Coherent light generators – Particular resonant cavity
Patent
1981-10-26
1984-10-23
Davie, James W.
Coherent light generators
Particular resonant cavity
372 44, 372 50, H01S 305
Patent
active
044792247
ABSTRACT:
An external cavity semiconductor laser includes an array of semiconductor optical gain elements, each device having at least one transmissive facet along an optical axis, and reflectors for reflecting incident light from the laser devices back to those devices. Optical fibers couple the transmissive facets of the optical gain elements in parallel to the reflectors. A spatial filter in the cavity between the optical gain element array and the reflectors establish spatial coherence of the light within the cavity to establish a coherent output beam. In this form, the fiber-coupled laser devices may be located in remote sub-groups, thereby reducing the power dissipation density for the external cavity laser.
REFERENCES:
patent: 4246548 (1981-01-01), Rutz
I. Ikushima & M. Maeda, "Lasing Spectra of Semiconductor Lasers Coupled to an Optical Fiber", IEEE Journal of Quantum Electronics, vol. QE-15, No. 9, Sep. 1979, pp. 844-845.
Elisabeth M. Philipp-Rutz, "Spatially Coherent Radiation from an Array of GaAs Lasers", Applied Physics Letters, vol. 26, No. 8, Apr. 15, 1975, pp. 475-477.
Mark Walter Fleming, "Spectral Characteristics of External-Cavity-Controlled Semiconductor Lasers", PhD. Thesis, M.I.T., Cambridge, MA, Jun. 1980.
Davie James W.
Engellenner Thomas J.
Massachusetts Institute of Technology
Smith, Jr. Arthur A.
LandOfFree
Fiber-coupled external cavity semiconductor laser does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fiber-coupled external cavity semiconductor laser, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fiber-coupled external cavity semiconductor laser will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1602744