488 NM SLM LASER (VBG DIODE; FREE-SPACE)
488 SLM laser diode module could be a perfect choice for Raman spectroscopy, especially for inorganic materials. Blue light lasers are widely used in surface-enhanced Raman scattering applications (SERS). Matchbox 2 modules are a perfect combination of high performance and low cost.

Application

  • Fluorescence spectroscopy

  • Scanning Microscopy

  • Particle analysis

  • Lithography / Grating Production

  • Photopolymer Exposure

  • Defect Holography

  • Raman Spectroscopy

  • Holography

  • Inspection

  • Metrology

  • Interferometry

  • Laser Seeding

     Specifications

Parameter
Min. Value
Typical Value
Max. Value
Central Wavelength, nm
487.8
488
488.2
Spectral line width FWHM, pm
-
0.1
1
Output power, mW
-
30
40
Power stability, % (RMS, 8 hrs)
0.02
0.05
0.2
Power stability, % (peak-to-peak, 8 hrs)
0.1
0.3
1
Noise, % (RMS, 20 Hz to 20 MHz)
0.1
0.25
0.6
Side-mode suppression ratio (SMSR), dB 4
40
50
60
Longitudinal modes
-
Single
-
Transversal modes
-
TEMoo
-
Beam width (1/e2), mm
-
0.8
1.1
Beam height (1/e2), mm
-
1.5
1.8
Horizontal beam divergence, mrad
-
1.1
1.4
Vertical beam divergence, mrad
-
0.9
1.2
M2 horizontal axis
-
1.2
1.4
M2 vertical axis
-
1.3
1.6
M2 effective
-
1.3
1.6
Polarization direction
-
Horizontal
-
Polarization contrast
1000
2000
5000
Control interface type
-
UART
-
Operation mode
-
APC (CW)
-
Modulation bandwidth, MHz
-
N/A
-
nput voltage, VDC
4.8
5
5.3
Input current, A
-
1.5
-
Max. power consumption, W
0.4
2
10
Heat-sinking requirement, °C/W
-
1
-
Optimum heatsink temperature, °C
15
20
30
Warm up time, mins (cold start)
0.2
2
2
Temperature stabilization
-
Internal TEC
-
Beam height from the base, mm
9.9
10.4
10.9
Dimensions (WxDxH), mm
-
50 x 30 x 18
Net weight, kg
0.1
0.12
0.14

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