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  • 1
    facet.materialart.
    Unknown
    Laser tuners using circular piezoelectric benders (1975)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: The paper presents the results of an experimental evaluation of a new type of piezoelectric ceramic device designed for use as a laser mirror tuner. Thin plates made from various materials were assembled into a circular bimorph configuration and tested for linearity of movement, maximum travel, and resonant frequency for varying conditions of clamping torque and mirror loading values. Most of the devices tested could accept mirror diameters up to approximately 1.3 cm and maintain a resonant frequency above 2 kHz. Typical mirror translation without measurable tilt was plus or minus 20 micrometers or greater for applied voltages of less than plus or minus 300 V.
    Keywords: LASERS AND MASERS
    Type: Applied Optics; 14; June 197
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
    facet.materialart.
    Unknown
    Circular piezoelectric bender laser tuners (1972)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The circular piezoelectric bender laser tuner to replace conventional laser tuners when mirror diameters up to 0.50 inch are sufficient is described. The circular piezoelectric bender laser tuner offers much higher displacements per applied volt and permits laser control circuits to be fabricated using standard operational amplifiers, rather than the expensive high-voltage amplifiers required by conventional tuners. The cost of the device is more than one order of magnitude lower than conventional tuners and the device is very rugged with all mechanical resonances easily designed to be greater than 3kHz. In addition to its use as a laser frequency tuner, the circular bender tuner should find many applications in interferometers and similar devices.
    Keywords: MASERS
    Type: NASA-TM-X-66040 , X-524-72-343
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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