A novel profilometry method based on two-photon absorption in a silicon avalanche photodiode is proposed. This method has a wide dynamic range, from millimeters to tens of meters. The principle is experimentally confirmed with a fiber-optic Mach - Zehnder interferometer.
|Number of pages||3|
|Publication status||Published - 2003 Mar 15|
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics