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Random Polarization

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…pump energy randomly emits a single photon according to a given statistical probability. This produces radiation in all directions with a spread of wavelengths and no interrelationships among individual photons. This is called spontaneous emission. Figure 1. Spontaneous emission is a random process,…

x lase A4 4s 02 2013 lr 1 .pdf

x lase A4 4s 02 2013 lr 1 .pdf

…over 12 hours)
Pulse width: 20-30 ps, 50% level
Repetition rates: 1, 2, 3 and 4 MHz
Center wavelength 1060 ± 20 nm
Polarization: Random
Beam quality M2 (collimated beam) < 1.4 (Typically 1.2)
Operating voltage and frequency: 196-240VAC, 50/60Hz
Physical…

Photonics Spectra - August 2018

Photonics Spectra - August 2018

…the scattering of light. In simple terms, it was found that when an object was irradiated with light from a single direction, the object could randomly re-radiate or scatter in all directions, causing a small net transfer of momentum from the photons to the object. Eventually this led to the…

COHR DiamondFLQ DS 0218 4.pdf

COHR DiamondFLQ DS 0218 4.pdf


Isolator
Fiber to
Free-Space
Isolator
Mode of Operation Pulsed Pulsed Pulsed Pulsed Pulsed
Polarization Random Random Random Random Random
Peak Power4 (kW) 5.0 10.0 10.0 8.5 8.5
Pulse Energy4 (mJ) 0.5 1.0 1.0 1.0 1.0
Pulse Width5 (ns) 100 ±20 100…