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Keywords beginning with S

On this page you find all our articles on keywords beginning with "S". Further below, you find the acronyms.

(See also: list of products for the letter S.)

S band → optical fiber communications

safety → laser safety

safety glasses → laser safety glasses

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

sampled grating lasers → distributed Bragg reflector lasers

sampling → electro-optic sampling

sapphire fibers → single-crystal fibers

satellite communications → free space optical communications

saturable absorber mirrors → semiconductor saturable absorber mirrors

saturable absorbers

saturable absorbers: Spotlight 2018-01-08: Self-starting of passively mode-locked lasers

saturable absorbers: Spotlight 2017-08-31: Passive mode locking with slow saturable absorbers: surprisingly stable!

saturable absorbers: Spotlight 2017-04-12: Does a saturable absorber in a laser lead to passive Q switching or mode locking?

saturable absorbers: Spotlight 2008-07-02: Stronger focusing avoids SESAM damage

saturable absorbers: Spotlight 2008-01-06: Saturation intensity or saturation fluence of a saturable absorber or a laser gain medium: what matters?

saturable Bragg reflectors

saturated output power → saturation power

saturation energy

saturation fluence → saturation energy

saturation intensity → saturation power

saturation intensity: Spotlight 2008-01-06: Saturation intensity or saturation fluence of a saturable absorber or a laser gain medium: what matters?

saturation of absorption → pump absorption

saturation of gain → gain saturation

saturation of pump absorption: Pump absorption in amplifier fibers

saturation parameter → saturable absorbers

saturation power

scalability → power scaling of lasers

scaling procedures → power scaling of lasers

scanning beam profilers → beam profilers

scanning delay lines → optical delay lines

scanning lenses

scanning spectrometers → spectrometers


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

Schawlow-Townes linewidth: Derivation of the Schawlow–Townes linewidth

Schawlow–Townes linewidth

scientific lasers

scotopic and photopic vision

SDM fibers → space division multiplexing

sech2-shaped pulses

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

second-harmonic generation → frequency doubling

second-order dispersion → group delay dispersion

seed lasers

selective laser melting/sintering → laser 3D printing

self-darkening materials → photochromic materials


self-focusing: Case study: nonlinear self-focusing

self-heterodyne linewidth measurement

self-injection locking → injection locking

self-phase modulation

self-phase modulation: Effect of self-phase modulation on the pulse bandwidth

self-phase modulation: Spotlight 2015-07-01: Self-phase modulation causes spectral broadening – does it really?

self-phase-stabilized pulses → carrier–envelope offset

self-referenced frequency combs → frequency combs

self-similar pulse propagation → parabolic pulses

self-starting mode locking

self-starting mode locking: Spotlight 2018-01-08: Self-starting of passively mode-locked lasers

self-starting mode locking: Spotlight 2008-05-13: Easier self-starting passive mode locking for short lasers

self-starting mode locking: Self starting of passively mode-locked lasers: difficult to model


self-terminating laser transitions

Sellmeier formula

semiconductor diode lasers → diode lasers

semiconductor disk lasers → vertical external-cavity surface-emitting lasers

semiconductor fiber lasers → fiber lasers

semiconductor lasers

semiconductor mirrors → crystalline mirrors

semiconductor optical amplifiers

semiconductor saturable absorber mirrors



sensitivity of the eye → scotopic and photopic vision

sensitivity to alignment → alignment sensitivity of optical resonators

sensor cards → laser viewing cards

sensors → fiber-optic sensors

sequential sampling → electro-optic sampling

SESAM mode-locked lasers → mode-locked lasers

Shack–Hartmann wavefront sensors

sheet polarizers → polarizers

short pulses → light pulses

shot noise

shot noise: Spotlight 2007-04-16: Questions and answers on shot noise

side pumping

sideband instability → modulation instability

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

sign conventions in wave optics

signal lamps

signal-to-noise ratio

signals in fibers: Tutorial chapter on ultrashort pulses and signals fibers

silica fibers

silica glass → fused silica

silicate glasses

silicon photonics

silicone optics → plastic optics

silver mirrors → metal-coated mirrors

similaritons → parabolic pulses

simulation → laser modeling and simulation

single transverse mode operation → single-mode operation

single-atom lasers

single-atom lasers: Spotlight 2006-07-23: Single-atom lasers

single-crystal fibers

single-emitter laser diodes → broad area laser diodes

single-frequency lasers

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

single-frequency lasers: Spotlight 2006-09-03: Single-frequency operation stabilized by spatial hole burning

single-frequency operation

single-mode cut-off → single-mode fibers

single-mode fibers

single-mode fibers: Tutorial chapter on single-mode fibers

single-mode operation

single-polarization fibers

single-wavelength lasers → single-frequency lasers

singly resonant cavities → resonant frequency doubling

singly resonant oscillators → optical parametric oscillators

Sisyphus cooling

slab lasers

slab waveguides → planar waveguides

slave laser

slope efficiency

slope efficiency: Spotlight 2016-12-13: Nonlinear input–output curves for lasers

slow absorbers → saturable absorbers

slow axis → diode bars

slow light → velocity of light

small-signal gain

Snell's law → refraction

soda–lime glasses → silicate glasses

sodium guide stars → laser guide stars

sodium vapor lamps

soft aperture mode locking → Kerr lens mode locking

soft apertures → optical apertures

solar cells → photovoltaic cells

solar modules

solar power generation

solar-blind photodetectors

soldering heads → laser processing heads

solid-state lasers

solid-state lasers: Solid state lasers for ultrashort pulses – a diverse family

solid-state lasers: Spotlight 2018-04-06: Laser physics: the essential roles of phonons in solid-state lasers

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

soliton compression → pulse compression

soliton fission → supercontinuum generation

soliton mode locking

soliton mode locking: Case study: soliton mode-locked bulk laser

soliton period

soliton self-frequency shift → solitons


solitons: Case study: Numerical experiments with soliton pulses in fibers

solitons: Case study: Soliton self-frequency shift

solitons: Case study: Collision of soliton pulses in a fiber

solitons: Case study: Soliton pulses in a fiber amplifier

solitons: Spotlight 2008-04-02: Solitons: lower dispersion, stronger dispersive effects!

solitons: Case study: higher-order solitons

solution doping → fiber fabrication

space communications → free space optical communications

space division multiplexing

space-qualified lasers

spatial coherence → coherence

spatial filters → mode cleaners

spatial frequencies → Fourier optics

spatial hole burning

spatial hole burning: Spotlight 2007-07-16: Mode competition – increased or decreased by spatial hole burning?

spatial hole burning: Spotlight 2006-09-03: Single-frequency operation stabilized by spatial hole burning

spatial walk-off

spatial walk-off: Spotlight 2007-11-19: Walk-off and phase-matching bandwidth in nonlinear crystals

spatial walk-off: Spotlight 2010-03-15: Spatial walk-off and beam quality in nonlinear frequency conversion

specialty fibers

specific detectivity → detectivity

specifications for lasers → laser specifications

specifications of noise and fluctuations → noise specifications

speckle → laser speckle

spectral beam combining

spectral brightness

spectral broadening: Spotlight 2015-07-01: Self-phase modulation causes spectral broadening – does it really?

spectral exitance → radiant exitance

spectral flux → radiant flux

spectral imaging

spectral intensity → radiant intensity

spectral lamps

spectral lines

spectral linewidth → linewidth

spectral phase

spectral phase interferometry

spectral power density → power spectral density

spectral quantities

spectral radiance → radiance

spectral response of a photodetector

spectral sensitivity of the eye → scotopic and photopic vision

spectral width → bandwidth




spectrometry → spectroscopy


spectroradiometers → spectrometers


spectrum → optical spectrum

specular reflection

speed of light → velocity of light

spherical aberrations


splicing → fusion splicing of fibers

split-step Fourier technique → pulse propagation modeling

spontaneous emission

spontaneous emission: Spotlight 2006-07-16: Spontaneous emission and amplifier noise

spontaneous emission factor → Schawlow–Townes linewidth

spontaneous Raman scattering → Raman scattering

spot lasers → alignment lasers

spun fibers

squeezed states of light

stability of passive mode locking: Spotlight 2017-08-31: Passive mode locking with slow saturable absorbers: surprisingly stable!

stability zones: Spotlight 2006-10-01: Stability zones of laser resonators

stability zones of optical resonators

stabilization of lasers

stack lasers → diode stacks

standard illuminants → CIE standard illuminants

standard quantum limit

standard spectral lines

standing wave pattern → interference

standing-wave resonators

Stark level manifolds

step-index fibers

stereolithography → laser 3D printing

stimulated Brillouin scattering → Brillouin scattering

stimulated Brillouin scattering: Spotlight 2010-03-03: Thresholds for nonlinear effects in fiber amplifiers

stimulated Brillouin scattering: Spotlight 2007-09-01: Stimulated Brillouin scattering: lower peak power, stronger effect?

stimulated emission

stimulated emission cross-sections → transition cross-sections

stimulated emission depletion microscopy → fluorescence microscopy

stimulated Raman scattering → Raman scattering

stimulated Raman scattering: Case study: Stimulated Raman scattering in a fiber

stimulated Raman scattering: Spotlight 2018-03-05: Dependence on Raman conversion on the optical bandwidth

Stokes shift

strain sensors → optical strain sensors

streak cameras

stress rods → polarization-maintaining fibers

stretched-pulse fiber lasers → mode-locked fiber lasers

sum and difference frequency generation

super-black coatings → black coatings

supercontinuum generation

supercontinuum generation: Case study: Supercontinuum generation in a germanosilicate single-mode telecom fiber


superluminal transmission


superluminescent diodes

superluminescent sources

superluminescent sources: Case study: ASE source with automatic spectral optimization


supermodes → harmonic mode locking


surface profilers → optical profilometers

surface-emitting LEDs → light-emitting diodes

surface-emitting semiconductor lasers

surgical lasers → medical lasers

swept-wavelength lasers → wavelength-swept lasers

symmetrized split-step Fourier method → pulse propagation modeling

sync-pumped parametric oscillators → optical parametric oscillators

synchronization of lasers

synchronous pumping

Acronyms with S

SASE = self-amplified spontaneous emission → amplified spontaneous emission

SBR = saturable Bragg reflector

SBS = stimulated Brillouin scattering

SCAO = single-conjugate adaptive optics

SCG = supercontinuum generation

SDM = space division multiplexing

SESAM = semiconductor saturable absorber mirror

SFG = sum frequency generation

SFS = superfluorescent (actually superluminescent!) fiber source → superluminescent sources

SHG = second-harmonic generation = frequency doubling

SHWFS = Shack–Hartmann wavefront sensor

SLD = superluminescent diode

SLED = surface-emitting LED or superluminescent diodes|LED or superluminescent diode

SNR = signal-to-noise ratio

SNSPD = superconducting nanowire single photon detector

SOA = semiconductor optical amplifier

SPAD = single-photon avalanche diode

SPD = single photon detector → photon counting

SPIDER = spectral phase interferometry for direct electric-field reconstruction → spectral phase interferometry

SPM = self-phase modulation

SPOPO = synchronously pumped optical parametric oscillators

SRO = singly resonant (parametric) oscillator

SRS = stimulated Raman scattering

SSL = solid-state laser

STED = stimulated emission depletion microscopy → fluorescence microscopy

… and if you need any more help on such topics, consider to use the consulting services of RP Photonics AG! There is a variety of 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.