690nm 689nm Red Diode Laser DPSS Industrial Source. High stability or stable laser means the laser is good at power stability. It’s measured with rms, over 4 hours. This version Red DPSS laser has a output power of 50mW,  the output power can be customized according to your requirements.

It is ideal for a wide range of applications where a red beam of laser light is required. Available in 50mW and 3000mW 3W, 10% stability on the standard model and 5%, 3%, and 1% power stability for the Lab Spec model. This laser is includes a 51 years warranty, long expected lifetime, compact and light design, air cooling, and runs on standard AC power.

Wavelength (nm)： 690+-5
Output power (mW)： >1, 10, 30,… , 800
Transverse mode： Near TE00
Operating mode： CW
Power stability (rms, over 4 hours)： <1%, <3%, <5%
Warm-up time (minutes)： <5
M2 factor：<20
Beam divergence, full angle (mrad)： <3. 0
Dimensions of beam at the aperture (mm)： ~5-8
Beam height from base plate (mm)： 24. 8
Polarization ratio： >50:1
Pointing stability after warm-up (mrad)： <0.05
Operating temperature (℃)： 10~35
Power supply (90-264VAC or 5VDC)： PSU-III-LED PSU-III-FDA PSU-III-OEM
Modulation option： TTL/Analog 1Hz-5KHz, 1Hz-10KHz, 1Hz-30KHz, and TTL on/off
Expected lifetime (hours)： 10000
Warranty： 1 year