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520nm 1-50mW Green Laser Diode Module
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Availability: Available



The GPD Series laser modules are designed expressly to host laser diodes that do not have their own internal photodiode. The GPD overcomes this challenge by integrating an internal photodiode after a collimating lens. This configuration allows for Automatic Power Control (APC) mode of operation. APC Control is not available on a majority of competing DPSS lasers at these wavelengths. The stability of this configuration cannot be matched by inexpensive DPSS lasers. The GPD module can deliver from 1mW to 50mW of output power with a wavelength of 405nm to 520nm. Additional design features include great wavelength stability, excellent optical power stability, and CW output. Output power is adjustable by turning a potentiometer on rear of the unit.

Additional Information

Wavelength (nm) 520
Color Green
Wavelength Tolerance 515-525
Power (in mW) 40
Output Parameter CW
Polarization Ratio >100:1
Polarization State Linear
Beam Size 0.81 x 2.36mm
Beam Shape Elliptical
Beam Divergence (1/e2) <1mRad
Spatial Mode Single
User Focusable No
Beam Properties Collimated
Beam Pointing Stability <10µRad/°C
Transverse Mode Structure TEMoo
Output Power Noise (rms) <±1%
Noise RMS(10Hz-5MHz) <± 1%
Output Power Stability @ 25c <±0.2%
Power Stability Over Temp. Range <±0.5%
Operating Voltage (VDC) 8
Max Operating Current (mA) 200
Module Dimensions (Inch / mm) 2.05 x 0.50
Head Dimensions ø.495 x 2.00
Temperature 0 - 35
Vibration (non operating) 6 G (20 - 200Hz)
Weight 1.0000
Warranty 1 Year

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