A double longitudinal mode He-Ne laser, without any polarisation elements inside its resonator, oscillates in two orthogonal linearly polarised modes. This two modes can be separated and their power difference easily detected can form error signal for frequency stabilisation of laser radiation.
|Original language||English (US)|
|Number of pages||7|
|State||Published - Jan 1 2002|
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics