REO Introduces Frequency Stabilized Helium-Neon Lasers
June 18, 2012
REO, a leading manufacturer of high volume precision optical and laser solutions,
introduces a new series of stabilized helium neon
lasers that offers an unmatched combination of performance, ease of use and reliability.
These 632.8 nm lasers are available with either 1 mW or 1.5 mW of output power, and can both be frequency stabilized to ±1 MHz
over 1 hour (or ±2 MHz over 8 hours), or intensity stabilized to ±0.1% over 1 minute (or ±0.2% over 1 hour).
The operational mode is user selected by a toggle switch on the power supply front panel. Constructed using REO’s ultra-low loss
optics and unique, proprietary cavity design, these lasers also demonstrate exceptional ruggedness,
long lifetime and insensitivity to ambient temperature shifts. For example, the frequency shift with temperature is typically
under 2 MHz/°C.
The high degree of stabilization and long coherence length of these lasers make them an ideal source for a wide variety of
applications in metrology, instrumentation, and research. Typical examples include interferometry (particularly in setups
with unequal path lengths), distance measurement, profilometry, scatterometry, velocimetry, ellipsometry, and Raman spectroscopy.
They are also useful as a reference source in wavelength or frequency measurement applications.
In addition to standard product, REO also offers custom stabilized HeNe lasers suitable for integration into OEM systems for
volume users. This customization can include a wide variety of options in terms of output characteristics and packaging.
Typical examples are integration of opto-mechanical components with the laser,
and clean room assembly to meet stringent contamination specifications.
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