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T A V - REO 32734 User And Operational Manual

Line tunable helium-neon laser system

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• Turn both the color selector knob and the transverse adjustment knob clockwise until they
stop. Do not force knobs past stopping point.
• Look at laser label for proper settings of color selector knob and transverse adjustment
knob.
• The color selector and transverse adjustment value corresponds to the number of full
counter-clockwise revolutions of respective adjustment knob to achieve lasing at 633nm.
Figure 3: Color Selector and Transverse Adjustment Values on Label
Note: C and T values are noted on label are specific to
each individual laser and may vary from above figure.
• Color selector must be tuned first, followed by the transverse selector.
• Adjust knobs counter-clockwise according to the settings that are displayed on the laser
manufacturing label.
• When settings are properly dialed-in the laser will lase at 633nm.
• User can make small adjustments to the color selector knob and transverse selector knob in
order to maximize power.
• To tune the laser to a different wavelength, slowly turn the color selector knob counter-
clockwise until the laser is lasing at the desired color.
o It is possible to overshoot the desired color wavelength by turning the color selector
knob too quickly.
o If laser emission is observed briefly, slowly turn the color selector knob clockwise
until desired laser emission is once again obtained.
• The wavelengths will appear in the following order:
o 633nm- Red
o 612nm- Dark Orange
o 604nm- Orange
o 594nm- Yellow
o 543nm- Green
• Laser can be optimized for each wavelength by making small adjustments to the color
selector knob and the transverse adjustment knob once the desired wavelength is
achieved.
In this example to achieve lasing at 633nm:
Color Selector Knob would be
rotated eight and one half rotations
counter clockwise.
Transverse Adjustment Knob
would be rotated five and one half
rotations counter clockwise.
REF-174
7

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