632.8nm Free Space Frequency Stabilized Laser Diode

632.8nm Frequency Stabilized Laser Diodes (Free Space and Fiber-Coupled options shown)

Stock #33-045 3-4 days
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Operating Temperature (°C):
+15 to +40
Output Power (mW):
100:1 Linear
Power Stability (%):
Dimensions (mm):
71.0 L x 63.5 W x 19.8 H
Wavelength (nm):
Weight (g):
Mode Quality, M2:
1.1 (Horizontal)
1.2 (Vertical)
Power Consumption (W):
Max: 5
Wavelength Tolerance (nm):
Output Power Tolerance (%):
Operating Humidity:
5 - 95% (non-condensing)
Warm-Up Time (minutes):
Electrical Leads/ Pin Connections:
10-pin Connectors (cable provided upon request)
Aspect Ratio:
1.5 - 2 (Output Beam)
Computer Interface:
Pointing Stability (μrad):
<50 (8 Hours)
Beam Diameter (mm):
0.8 x 1.6
Noise Level:
10 Hz - 100 MHz: 0.2% RMS
Input Current (A):
Max: 2 @ 3.3 V
Spectral Line Width (MHz):
Typical: 10
Beam Stability (nm):
Output Type:
Free Space
Type of Laser:
Beam Divergence (mrad):
1.3 x 0.8
Laser Class - CDRH:

Regulatory Compliance

Certificate of Conformance:

Product Family Description

  • Single Longitudinal Mode (SLM) Performance
  • ±0.002nm Wavelength Stability
  • Very Low Power Consumption

632.8nm Frequency Stabilized Laser Diodes are ideal for typical HeNe laser applications including flow cytometry, interferometry, confocal microscopy, fluorescence excitation, and Raman spectroscopy. Whereas a comparable HeNe laser would be larger, more expensive, and consume more power, the 632.8nm Frequency Stabilized Laser Diodes feature more compact designs, ±0.002nm wavelength stability, and either greater than 60mW power (free-space model) or greater than 20mW power (fiber coupled model). Additionally, these lasers utilize Variable Bragg Gratings (VBG) to lock the 632.8nm wavelength to a 10MHz linewidth.