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laser cavity Dictionary Terms

distributed feedback laser
A distributed feedback laser (DFB laser) is a type of semiconductor laser diode designed to emit coherent, narrow-bandwidth...
GaN distributed feedback lasers
GaN (Gallium Nitride) distributed feedback (DFB) lasers refer to a specific type of semiconductor laser based on Gallium...
vertical-cavity laser diode
A type of surface-emitting laser diode that uses dielectric mirrors to produce surface emission. The laser cavity is...
transversely excited atmosphere carbon dioxide laser
Abbreviated TEA CO2 laser. A gas laser that provides shorter pulses and higher peak powers than conventional CO2 lasers. The...
solid-state laser
A solid-state laser is a type of laser that uses a solid gain medium (as opposed to a liquid or gas) to produce coherent...
longitudinal mode
A waveform that can oscillate along the length of the laser cavity.
frequency comb
A frequency comb is a precise and regular series of equally spaced spectral lines, or frequencies, that are generated with...
q-switched operation
Q-switched operation, or q-switching, is a technique used in lasers to produce short and intense pulses of light. The term...
prelasing
When uncontrolled laser energy leaks from a laser cavity prematurely, it causes serious damage to optical components and...
optical pumping
The process whereby the number of atoms or atomic systems in a set of energy levels is changed by the absorption of light...
laser cavity
A laser cavity, also known as an optical cavity or resonator, is a fundamental component of a laser system. It is a confined...
resonator
A resonator is a device or system that exhibits resonance, which is a phenomenon that occurs when an external force or...
hemispherical cavity
Laser cavity bounded by a plane mirror and a concave spherical mirror with the plane mirror located at the center of...
fiber laser
A fiber laser is a type of laser in which the active gain medium is an optical fiber doped with rare-earth ions such as...
mode hopping
Mode hopping in the context of lasers refers to a phenomenon where a laser system abruptly switches from one longitudinal...
transverse mode
In the context of optics and lasers, a transverse mode refers to a specific spatial pattern of the electric field within the...
mode-locked lasers
Mode-locking is a technique used in lasers to produce ultrashort pulses of light with durations on the order of picoseconds,...
femtosecond laser
A femtosecond laser is a type of laser that emits ultrashort pulses of light with durations on the order of femtoseconds,...
output coupler
The partially reflective mirror at the end of the laser cavity that is the source of the beam. It controls the coupling...
mode sweeping
A form of laser output noise that is caused by thermal, mechanical, or acoustical disturbances of the cavity length. Mode...
laser output
The laser output refers to the generated and emitted light produced by a laser system. This output is characterized by...
diode-pumped solid-state laser
A diode-pumped solid-state laser (DPSSL) is a type of laser system that uses semiconductor diode lasers to pump energy into...
colliding pulse modelocked ring laser
A ring dye laser that uses prisms and a saturable absorber within the laser cavity to shape and shorten the pulses...
excitation
1. The process by which an atom acquires energy sufficient to raise it to a quantum state higher than its ground state. 2....
soliton laser
A color center laser whose output is coupled to an external control laser cavity and then fed back to the main laser cavity...
mode beating
In optics, "mode beating" refers to an interference phenomenon that can occur in laser systems with multiple longitudinal...

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