Nanosecond, pulsed, frequency-modulated optical parametric oscillator

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Description

For certain applications, a spectrum comprised of several longitudinal modes from a laser or optical parametric oscillator (OPO) is desirable. For example, a broad spectrum can reduce speckle in remote sensing. One way to achieve this is to allow an OPO to operate on several modes that evolve from quantum noise. Unfortunately, in this case, the spectrum fluctuates from pulse to pulse and can be a noise source. An alternative is to seed the OPO on several longitudinal modes simultaneously so the spectrum is broad but does not fluctuate. This can be done by frequency modulating a cw seed laser ... continued below

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5 p.

Creation Information

Armstrong, D.J.; Alford, W.J.; Raymond, T.D. & Smith, A.V. December 31, 1995.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

For certain applications, a spectrum comprised of several longitudinal modes from a laser or optical parametric oscillator (OPO) is desirable. For example, a broad spectrum can reduce speckle in remote sensing. One way to achieve this is to allow an OPO to operate on several modes that evolve from quantum noise. Unfortunately, in this case, the spectrum fluctuates from pulse to pulse and can be a noise source. An alternative is to seed the OPO on several longitudinal modes simultaneously so the spectrum is broad but does not fluctuate. This can be done by frequency modulating a cw seed laser so the sidebands and carrier all match longitudinal modes of the signal wave in the OPO. Such an FM OPO would also have applications in FM-modulation absorption measurements, including remote sensing.

Physical Description

5 p.

Notes

OSTI as DE96004304

Source

  • CLEO/QUELS `96: 16. annual conference on lasers and electro-optics and 6th quantum electronics and laser science conference: shedding new light on universal applications, Anaheim, CA (United States), 2-7 Jun 1996

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  • Other: DE96004304
  • Report No.: SAND--95-2849C
  • Report No.: CONF-960642--3
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 225061
  • Archival Resource Key: ark:/67531/metadc669834

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Office of Scientific & Technical Information Technical Reports

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  • December 31, 1995

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • April 14, 2016, 5:52 p.m.

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Armstrong, D.J.; Alford, W.J.; Raymond, T.D. & Smith, A.V. Nanosecond, pulsed, frequency-modulated optical parametric oscillator, article, December 31, 1995; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc669834/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.