25
Optical output
wavelengths. Note that in Appendix G, beam measurement examples are
included for reference.
Factory test report The specific performance of your laser is described in a factory created test- and
measurement report. Refer to this report included with your laser, for its actual
spectral performance.
Polarization spacer A polarization spacer (see Figure 4) must be fitted with the collimator when it is
inserted into the optical input of a SuperK accessory. The spacer has an
alignment key to ensure maintain polarization with the accessory. The spacer
also ensures that the optical input interlock switch of the accessory is engaged
when the collimator is in the locked position. When the switch is engaged the
interlock circuit is closed allowing emission.
Caution: Inserting a collimator without a spacer
into an accessory optical input, re-
sults in a gap between collar face of the collimator and the interlock switch of the
accessory. When the switch is not engaged, emission is disabled.
Note: See “Polarization spacer” on page 106
Output power Output power from the laser is controlled by changing the pulse repetition rate.
Increasing the repetition rate increases the output power level. For example, if
the repetition rate is changed from 1 kHz to 20 kHz, the output power will
increase by a factor of 20, as twenty times the number of pulses are emitted
within the same time span.
Note: The actual output power or spectral form of the output pulse remains
constant but by changing the repetition rate, the average power of the beam is
modified.
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