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Edinburgh Instruments’ PL series of carbon dioxide lasers
covers spectral range 9.1 to 10.9 microns, with models
having continuous wave (CW) output powers up to 180 Watts.
The laser heads utilise an invar rod frame to support the
laser resonator and ensure a high degree of passive
stability. The lasers have manually controlled diffraction
gratings for line selection and piezo mounted output
couplers for fine control of cavity length. All laser
tubes are water-cooled. The inner walls of the laser tubes
are specially profiled to suppress off axis oscillations
and to ensure that the lowest order mode transverse mode
dominates. The low gas pressure and hence narrow gain
profile supports only single longitudinal mode (SLM)
operation. Polarised output. Excellent passive stability
of amplitude and frequency exists. Active stabilisation is
available as optional.
Special isotopic fills to extend the wavelength spectral
range are available on request.
Models available: -
PL2-S : compact version, 1Watt on strongest lines, 45
lines, sealed operation
PL2-M : peak single line power 10 Watts on strongest
lines, 60 lines, sealed
PL2-L : peak single line power 6 Watts, 60 lines, sealed
PL3 : split discharge, user replenishable, UHV sealed-off,
15W on strongest CO2 lines, optional CO operation with
interchange of cavity optics and gas mixture
PL5 : 50W on strongest line (higher with intracavity
mirror). Operating on 80 lines; Q switched operation
available. Useful for optical pumping of the far infrared
lasers.
PL5-S : A sealed version of the PL5. 30W on strongest line
(40W with mirror). Useful for optical pumping of the far
infrared lasers.
PL6 : Strongest single line power of 180 Watts and more
than 90 lines. Useful for optical pumping of the far
infrared lasers.
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