A unique design for a thermal lens photometer based on a single-laser/single-beam configuration is presented. The system is compatible with lock-in detection and uses a pair of acousto-optic modulators to temporally separate the pump and probe events. A minimum measurable absorbance of 6 × 10<sup>−6</sup> cm<sup>−1</sup> is reported. Limitations to the use of acoustooptic modulation at high absorbances are discussed.

PDF Article

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
Login to access OSA Member Subscription