If necessary, ask for replacement pack- aging. Refer servicing to qualified personnel! Only with written consent from Thorlabs may changes to single components be made or components not supplied by Thorlabs be used. All modules must only be operated with proper shielded connection cables.
After quenching the bias increases again, this way enabling the APD for detection of the next photon. The Thorlabs SPCMxxA use an APD with integrated quenching circuit, providing a high counting accuracy.
Thorlabs warrants material and production of the SPCMxxA for a period of 24 months starting with the date of shipment. During this warranty period Thorlabs will see to defaults by repair or by exchange if these are entitled to warranty.
Contact Thorlabs for more information. Waste treat- ment is your own responsibility. “End of life” units must be returned to Thorlabs or handed to a company specializing in waste recovery. Do not dispose of the unit in a litter bin or at a public waste disposal site.
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