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Laser acronyms 
Summary
This is a list of acronyms and other initialisms used in laser physics and laser applications.
A edit
- AOM – acousto-optic modulator
- AOPDF – acousto-optic programmable dispersive filter
- APD – avalanche photodiode
- APM – additive-pulse mode locking
- ASE – amplified spontaneous emission
- ATD – above-threshold dissociation
- ATI – above-threshold ionization
- AWG – arrayed waveguide grating
B edit
- BPP – beam parameter product
C edit
- CD-ROM – compact disc read-only memory
- CEO – carrier-envelope offset [citation needed]
- CEP – carrier-envelope phase
- CPA – chirped-pulse amplification
- CRAB – complete reconstruction of attosecond bursts[citation needed]
- CW – continuous wave
- CWDM – coarse wavelength-division multiplexing
D edit
- DBR – distributed Bragg reflector
- DCM – dispersion-compensation module [citation needed] or double-chirped mirror
- DFB laser – distributed feedback laser
- DFG – difference-frequency generation
- DIAL – differential absorption LIDAR
- DOG – double optical gating [citation needed]
- DOS – density of states
- DPSS – diode-pumped solid-state (laser)
- DWDM – dense wavelength-division multiplexing
E edit
- ECDL – external-cavity diode laser
- EDC – electronic dispersion compensation [citation needed]
- EDFA – erbium-doped fiber amplifier
- Er:YAG – erbium-doped yttrium aluminium garnet, Er:Y3Al5O12
- EOM – electro-optic modulator
- ESA – excited state absorption [citation needed]
F edit
- FEL – free electron laser
- FREAG – frequency-resolved electro-absorption gating [citation needed]
- FROG – frequency-resolved optical gating
- FROG-CRAB – frequency-resolved optical gating for complete reconstruction of attosecond bursts [citation needed]
- FWM – four-wave mixing
- FP – Fabry–Perot laser
G edit
H edit
- HeNe – helium–neon laser
- HHG – high-harmonic generation
I edit
- IR – infrared
K edit
- KLM – Kerr-lens modelocking
L edit
- LASEK – laser-assisted sub-epithelial keratectomy
- LASER – light amplification by stimulated emission of radiation[1]
- LASIK – laser-assisted in situ keratomileusis (eye surgery)
- LBO – lithium triborate
- LiDAR – light detection and ranging
- LLLT – low-level laser therapy
M edit
N edit
- Nd:YAG – neodymium-doped yttrium aluminium garnet, Nd:Y3Al5O12
- Nd:YCOB – neodymium-doped YCOB, YCa4O(BO3)3
O edit
- OC – output coupler
- OPO – optical parametric oscillator
- OPA – optical parametric amplifier / optical parametric amplification
- OPCPA – optical parametric chirped pulse amplification [citation needed]
P edit
- PI – population inversion
R edit
S edit
- SHG – second-harmonic generation
- SLM – single longitudinal mode
- SPIDER – spectral phase interferometry for direct electric-field reconstruction
- SPM – self-phase modulation
T edit
U edit
- UV – ultraviolet
V edit
W edit
X edit
Y edit
- YAG – yttrium aluminium garnet, Y3Al5O12
- YAM – yttrium aluminium monoclinic [citation needed]
- YAP – yttrium aluminium perovskite [citation needed]