642 nm Visible Fiber Lasers
Beam Properties
Collimated Beam
Transversive Mode	TEM00
Polarization	Linear
Orientaion of Polarization	Vertical to the base

Beam Parameters		Minimum	Nominal	Maximum
Beam Diameter @ 20 mm from the Output Window		Nominal -20%	0.32	Nominal + 20%	mm
Beam Divergence (full angle)		Nominal -20%	2.7	Nominal + 20%	mrad
Ellipticity			7 ( typical )	20	%
Beam Quality M2			1.1

Other Parameters		Minimum	Nominal	Maximum
Power Tunability Range			20 - 100		%
Emission Wavelength		641.5	642	642.5	nm
Emission Linewidth (FWHM)		0.05	0.1	0.15	nm
Long Term Wavelength Stability		Nominal - 0.02		Nominal + 0.02	nm
Degree of Polarization		98	99		%
Relative RMS Intensity Noise at Nominal Power, integrated over 5 Hz to 100 kHz			1.0 ( typical )	2	%
Long Term Output Power Drift (8 hours)		-1		1	%

642 nm Visible Fiber Lasers

Features