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FIBER COUPLED AOM USER MANUAL
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PEC 0205 Issue 1
As part of our policy of continuous product improvement, we reserve the right to change specifications at any time.
May 2017
Page 2
Operation Scheme:
To use a fiber coupled acousto-optic modulator (AOM), connect the two fiber ports (reciprocal)
into the light path, then connect the driver to the AOM SMA connector using a suitable RF cable.
Adjust the RF power level to optimise throughput (minimise insertion loss), taking great care not
to exceed the maximum recommended RF power (as indicated in the specifications).
The diffracted light may be modulated via the analogue or digital modulation input on the RF
driver.
Heat Sinking Fiber Coupled AOM
The stability of our fiber coupled AOM depends on efficient internal heat conduction. For long
term use we recommend heat sinking the base of Fiber-Q® package housing as described in the
figure below.
In order to aid thermal conduction, it is necessary that thermal contact is ensured at the contact
surface between Fiber-Q® housing and the heat sink. To achieve this please;
•
Use a thermally conductive interface layer; such as paste tape, or other interface
materials (there are an extensive range of commercially available products).
•
Bolt down the device to the heat sink through the four fixing holes on the package. M2 x
10 socket head cap screws are recommended for fixing the hermetic Fiber-Q®,
recommended torque for fixing to a steel surface is 0.1 Nm.
