RP Photonics

Encyclopedia … combined with a great Buyer's Guide!


Keywords beginning with L

On this page you find all our encyclopedia articles on keywords beginning with "L". Indented lines indicate articles on related topics. Further below, you find the acronyms.

(See also: list of products for the letter L)

L band → optical fiber communications

lamp-pumped lasers

lanthanide lasers → rare-earth-doped gain media

large-core fibers

large mode area fibers

Spotlight 2007-04-28: Easier launching into fibers with large mode area?

Spotlight 2007-02-04: Continuing struggle for larger fiber mode areas

Spotlight 2006-08-10: Single-mode fibers with large mode areas

laser amplifiers → amplifiers

laser applications

Spotlight 2009-04-17: Miniature laser projectors – The next big laser thing?

laser beam quality → beam quality

laser beam shapers → beam shapers

laser beams

Spotlight 2015-02-05: Attenuating laser beams – not that easy

Spotlight 2010-04-08: Creating a top-hat laser beam focus

Spotlight 2009-11-22: The beam focus – not just a demagnified version of your beam

laser cavities → laser resonators

laser communications → free-space optical communications

laser cooling

laser cross sections → transition cross sections

laser crystals

laser crystals versus glasses

laser design

laser development

Spotlight 2017-01-27: Second opinion: a useful tool, also in laser technology!

Spotlight 2006-07-05: Laser design: side product or the basis of laser development?

laser diode bars → diode bars

laser diode drivers

laser diode modules

laser diode stacks → diode stacks

laser diodes

laser disks → thin-disk lasers

laser distance meters → distance measurements with lasers

laser dyes → dye lasers

laser dynamics

laser gain → gain

laser gain media → gain media

laser glasses → laser crystals versus glasses

laser goggles → eye protection

laser guide stars

laser hazards → laser safety

laser heads

laser-induced breakdown

laser-induced damage

laser light

laser line polarizers → thin-film polarizers

laser linewidth → linewidth

laser links → free-space optical communications

laser marking

laser media → gain media

laser microscopy

laser mirrors

Spotlight 2006-10-26: Residual transmission through highly reflecting mirrors

laser modeling

Spotlight 2017-12-04: Energy levels of solid-state gain media

Spotlight 2013-09-24: Simulation of a Q-switched Nd:YAG laser: numerical beam propagation reveals what happens, analytical reasoning explains it

Spotlight 2012-02-03: Simulation software: use commercial products or home-made software?

Spotlight 2006-11-16: Laser models – not always useful

The transparent laser

What makes a good physics model

laser modules → laser heads

laser noise

Noise in Laser Technology

Spotlight 2006-10-09: Correct specifications for laser noise – valuable but hard to obtain

Spotlight 2006-08-20: Lower noise from longer lasers

laser oscillators → lasers

laser physics

laser pointers

Spotlight 2010-01-11: Beams of laser pointers: visible in air?

Spotlight 2009-04-06: Laser pointers in soccer games: not necessarily harmless

laser powermeters → powermeters

laser pulses → pulses

laser pump chambers → pump chambers

laser radar → distance measurements with lasers

laser radiation → laser light

laser range finding → distance measurements with lasers

laser refrigeration → optical refrigeration

laser resonators

laser rods → rod lasers

laser safety

Spotlight 2007-12-18: The role of laser safety goggles

Spotlight 2007-07-06: Promoting dangerous practices in laser labs

Spotlight 2007-07-01: Nonsensical regulations undermine laser safety

Spotlight 2006-12-16: Dangerous green laser pointers

laser specifications

Spotlight 2013-12-13: Avoiding trouble with laser specifications

laser spectroscopy → spectroscopy

laser threshold

Spotlight 2007-05-10: Fundamental limitation for sigma–tau product, gain efficiency, and laser threshold

Spotlight 2007-01-21: Operation far above threshold

laser transitions

Spotlight 2011-03-13: What if solid-state laser transitions would be much stronger?

laser transmitter → free-space optical communications

laser viewing cards


Spotlight 2015-11-28: How to store light – and to understand the laser principle

Spotlight 2008-05-25: Einstein and the laser

Spotlight 2007-08-27: Distant healing of lasers

Spotlight 2007-02-22: Lossy laser cavities

Spotlight 2006-08-23: Lasers with nonlinear input–output characteristics

At which wavelength will a laser emit?

lasing without inversion

lateral modes → higher-order modes

law of Snellius → refraction

leaky modes

left-handed metamaterials → photonic metamaterials


lifetime broadening → gain bandwidth

light-emitting diodes

Spotlight 2010-09-02: Why LEDs are energy-efficient, and why they could well increase energy consumption

light forces

Spotlight 2006-10-22: Lasers attract dust to cavity mirrors

light-induced absorption → photodarkening

light intensity → optical intensity

light pulses → pulses

lightwave communications → optical data transmission

linear polarization → polarization of laser emission

linear polarizers → polarizers

linear resonators → optical resonators

linear versus ring resonators → optical resonators


Spotlight 2015-10-17: The linewidth of single-frequency lasers

Spotlight 2008-07-26: Beat signals with zero linewidth

Spotlight 2007-06-24: The plague of a narrow emission linewidth

linewidth enhancement factor

lithium niobate and tantalate → nonlinear crystal materials

long-pass gas cells → multipass gas cells

long-period fiber Bragg gratings → fiber Bragg gratings

longitudinal pumping → end pumping

lower-state lifetime

LP modes


luminescence quenching → quenching

Lyot filters

Acronyms beginning with L

laser = light amplification by stimulated emission of radiation

LCF = large-core fiber

LD = laser diode

LED = light-emitting diode

LHM = left-handed metamaterials → photonic metamaterials

LIBS = laser-induced breakdown spectroscopy

LID = laser-induced damage

LIDT = laser-induced damage threshold

LMA fiber = large mode area fiber

… and if you need any more help on such topics, consider to use the consulting services of RP Photonics Consulting GmbH! There is a variety of various services available in topical areas such as lasers, amplifiers, nonlinear optics, fiber optics, ultrashort pulses, multilayer mirrors, noise and fluctuations, and other topics in photonics and optoelectronics.