Laser Optics are used in a wide range of laser instrumentation or laser applications, including beam steering or material processing. Laser Optics use specific substrates, coatings, or a combination of the two to provide superior performance at specific laser wavelengths or over a range of wavelengths. Many Laser Optics feature laser damage thresholds designed for pulsed or CW lasers.
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Laser optics essentially means optical elements and systems which are used with lasers – either as parts of lasers or for transmitting and manipulating laser beams or other forms of laser light.
Laser systems commonly use a range of passive optical components:
Engineers build laser resonators using laser mirrors. Most mirrors reflect light using dielectric coatings, while others allow partial transmission to act as output couplers. Dichroic mirrors inject pump light into the resonator, and dispersive mirrors manage pulse dispersion in ultrafast lasers.
Instead of lenses, designers often use curved mirrors for focusing or defocusing. This approach reduces propagation loss and prevents unwanted reflections.
While prisms usually function outside the laser system, some setups place them inside, especially in ultrafast lasers for dispersion compensation.
To tune the wavelength, engineers insert optical filters like etalons or Lyot filters into the resonator.
For passive mode locking, systems use saturable absorbers to generate ultrashort pulses.
