science

Laser acronyms

Laser acronyms is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Laser acronyms rather than just read about it. In short: This is a list of acronyms and other initialisms used in laser physics and laser applications. A 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 BPP – beam parameter product C CD-ROM –…

Key takeaways

Laser acronyms belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Laser acronyms to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Laser acronyms from memory before moving on to harder problems.

Reference excerpt

This is a list of acronyms and other initialisms used in laser physics and laser applications.

A 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 BPP – beam parameter product

C CD-ROM – compact disc read-only memory CEO – carrier-envelope offset CEP – carrier-envelope phase CPA – chirped-pulse amplification CRAB – complete reconstruction of attosecond bursts CW – continuous wave CWDM – coarse wavelength-division multiplexing

D DBR – distributed Bragg reflector DCM – dispersion-compensation module or double-chirped mirror DFB laser – distributed feedback laser DFG – difference-frequency generation DIAL – differential absorption LIDAR DOG – double optical gating DOS – density of states DPSS – diode-pumped solid-state (laser) DWDM – dense wavelength-division multiplexing

E ECDL – external-cavity diode laser EDC – electronic dispersion compensation EDFA – erbium-doped fiber amplifier Er:YAG – erbium-doped yttrium aluminium garnet, Er:Y3Al5O12 EOM – electro-optic modulator ESA – excited state absorption

F FEL – free electron laser FREAG – frequency-resolved electro-absorption gating FROG – frequency-resolved optical gating FROG-CRAB – frequency-resolved optical gating for complete reconstruction of attosecond bursts FWM – four-wave mixing FP – Fabry–Perot laser

G GRENOUILLE – grating-eliminated no-nonsense observation of ultrafast incident laser light e-fields

H HeNe – helium–neon laser HHG – high-harmonic generation

I IR – infrared

K KLM – Kerr-lens modelocking

L LASEK – laser-assisted sub-epithelial keratectomy LASER – light amplification by stimulated emission of radiation LASIK – laser-assisted in situ keratomileusis (eye surgery) LBO – lithium triborate LiDAR – light detection and ranging LLLT – low-level laser therapy

M MASER – microwave amplification by stimulated emission of radiation MIIPS – multiphoton intrapulse interference phase scan MOPA – master oscillator power amplifier

N Nd:YAG – neodymium-doped yttrium aluminium garnet, Nd:Y3Al5O12 Nd:YCOB – neodymium-doped YCOB, YCa4O(BO3)3

O OC – output coupler OPO – optical parametric oscillator OPA – optical parametric amplifier / optical parametric amplification OPCPA – optical parametric chirped pulse amplification

P PI – population inversion

R RABBIT or RABBITT – reconstruction of attosecond beating by interference of two-photon transitions REMPI – resonance-enhanced multiphoton ionization

S SHG – second-harmonic generation SLM – single longitudinal mode SPIDER – spectral phase interferometry for direct electric-field reconstruction SPM – self-phase modulation

T TE – transverse electric mode TEA – transverse electrical discharge in gas at atmospheric pressure TEM – transverse electromagnetic mode THG – third-harmonic generation Ti:Sapph – Ti-sapphire laser TM – transverse magnetic mode

U UV – ultraviolet

V VCSEL – vertical cavity surface-emitting laser VECSEL – vertical external cavity surface-emitting laser

W WDM – wavelength-division multiplexing

X XPM – cross-phase modulation XPW – cross-polarized wave generation

Y YAG – yttrium aluminium garnet, Y3Al5O12 YAM – yttrium aluminium monoclinic YAP – yttrium aluminium perovskite

References

Worked examples

Example 1 — a first encounter with Laser acronyms

Start with the simplest possible case. Write down what Laser acronyms claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Laser acronyms before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Laser acronyms ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Laser acronyms

In research: Laser acronyms appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Laser acronyms in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Laser acronyms is common in secondary-school and first-year university syllabi. It links to neighbouring topics Lasers, Lists of acronyms, so understanding it makes those chapters shorter.
In everyday life: Look for Laser acronyms outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Laser acronyms in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Laser acronyms means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Laser acronyms out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Laser acronyms in simple terms?

This is a list of acronyms and other initialisms used in laser physics and laser applications. A 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…

Why does Laser acronyms matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Laser acronyms?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Laser acronyms.