gem 640 - 640nm Laser

Specification Features Downloads

The gem 640 offers 500 mW of red light in a near diffraction limited TEM00 beam. It has an M2 close to unity and is designed to be both robust and reliable. The gem 640 has a high power to size ratio and can be easily integrated into OEM equipment.

Specification

Power	50 mW - 500 mW	Wavelength	640 nm
Spectral Bandwidth	40 GHz	Coherence Length	~7.5 mm
Power Stability	<0.8%	Noise	<0.8%
Pointing Stability	<10 urad/degC	Spatial Mode	TEM00
M²	<1.2	Divergence	<1.2 mrad
Beam Diameter	1.1 +- 0.2 mm	Polarisation Ratio	>100:1
Polarisation Direction	Horizontal	Beam Angle	<1 mrad
Operating Temperature	22 - 37 degC	Weight	0.8 kg
Umbilical Length	1.5 m	Warmup Time	<10 minutes
Download Specification (611KB)