![Optical profilometers, explained by RP Photonics Encyclopedia; non-contact optical surface profile measurements, interferometer, coherence, OCT, focus variation, digital holography, triangulation, time of flight, structured light, performance factors ... Optical profilometers, explained by RP Photonics Encyclopedia; non-contact optical surface profile measurements, interferometer, coherence, OCT, focus variation, digital holography, triangulation, time of flight, structured light, performance factors ...](https://www.rp-photonics.com/img/laser_cut_sensofar.png)
Optical profilometers, explained by RP Photonics Encyclopedia; non-contact optical surface profile measurements, interferometer, coherence, OCT, focus variation, digital holography, triangulation, time of flight, structured light, performance factors ...
![OPTICAL SURFACE PROFILING: Profilometer advances benefit surface analysis, film-thickness measurement | Laser Focus World OPTICAL SURFACE PROFILING: Profilometer advances benefit surface analysis, film-thickness measurement | Laser Focus World](https://img.laserfocusworld.com/files/base/ebm/lfw/image/2016/01/43130.png?auto=format,compress&fit=fill&fill=blur&w=1200&h=630)
OPTICAL SURFACE PROFILING: Profilometer advances benefit surface analysis, film-thickness measurement | Laser Focus World
![OPTICAL SURFACE PROFILING: Profilometer advances benefit surface analysis, film-thickness measurement | Laser Focus World OPTICAL SURFACE PROFILING: Profilometer advances benefit surface analysis, film-thickness measurement | Laser Focus World](https://img.laserfocusworld.com/files/base/ebm/lfw/image/2016/01/43130.png?auto=format%2Ccompress&w=320)