# Keywords beginning with N

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

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

nanoscopy → laser microscopy

nanosecond pulse amplifiers:

→ Tutorial chapter on fiber amplifiers for nanosecond pulses

Nd:YAG → YAG lasers

Nd:YLF → YLF lasers

Nd:YVO_{4} → vanadate lasers

negative-index materials → photonic metamaterials

neodymium-doped fibers → rare-earth-doped fibers

neon lamps → gas discharge lamps

Nipkow discs → pinholes

nitrogen lasers → gas lasers

no-cloning theorem → quantum cryptography

noise → laser noise

noise figure:

→ Spotlight 2007-01-27: Noise figure of amplifiers

noise of amplifiers:

→ Tutorial chapter on noise of fiber amplifiers

noise reduction → stabilization of lasers

nonlinear amplification → parametric amplification

nonlinear coefficient → effective nonlinear coefficient

nonlinear crystals:

→ Spotlight 2007-09-21: Optimum crystal length for frequency doubling

nonlinear fiber loop mirrors → fiber loop mirrors

nonlinear frequency conversion

nonlinear frequency conversion:

→ Spotlight 2006-08-15: The effect of a double pass in a frequency doubler

→ Spotlight 2006-09-29: Frequency dependence of the conversion efficiency for frequency doubling

→ Spotlight 2007-03-05: More efficient frequency doubling with shorter pulses?

→ Spotlight 2014-11-14: Correctly designing frequency conversion stages: not easy, but worthwhile!

→ Spotlight 2016-10-27: Challenges for nonlinear frequency conversion in extreme wavelength regions

nonlinear mirror mode locking → mode locking

nonlinear polarization rotation

nonlinear polarization waves → polarization waves

nonlinear pulse compression:

→ Case study: nonlinear pulse compression

nonlinear pulse compression → pulse compression

nonlinear refractive index → nonlinear index

nonlinear self-focusing:

→ Case study: nonlinear self-focusing

nonlinear self-focusing → self-focusing

nonlinearities:

→ Spotlight 2007-05-26: Optical isotropy: nonlinear interactions are different!

→ Spotlight 2010-03-09: Nonlinearities in fiber amplifier modeling

nonlinearities of fibers:

→ Tutorial chapter on nonlinearities of optical fibers

normal dispersion → dispersion

normalized frequency → V number

number density of dopant → doping concentration

numerical modeling → pulse propagation modeling

## Acronyms beginning with N

NA = numerical aperture

NALM = nonlinear amplifying loop mirror

ND filter = neutral density filter

NEP = noise-equivalent power

NLO = nonlinear optics

NOLM = nonlinear optical loop mirror

NOPA = noncollinear optical parametric amplifier

NPRO = nonplanar ring oscillator

NVD = night vision device

… 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.