488 nm SLM Laser

Item Code: 0488L-24A-NI-AT-NF
VBG Diode MM fiber
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Description

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® modules are a perfect combination of high performance and low cost. This laser is fiber coupled to a 105 µm MM fiber.

Fiber Termination - FC/APC (AT): 8° polishing angle minimizes back reflections from fiber tip. This is necessary especially for SLM lasers.

Last edited on: 14 November 2023
Parameter Minimum Value Typical Value Maximum Value
 Central wavelength, nm 487.8 488 488.2
 Spectral line width FWHM, pm 1 - 0.1 1
 Output power, mW 2 - 15 -
 Power stability, % (RMS, 8 hrs) 3 0.02 0.2 0.5
 Power stability, % (peak-to-peak, 8 hrs) 4 0.1 1 2.5
 Intensity noise, % (RMS, 20 Hz to 20 MHz) 5 0.1 0.2 0.6
 Side-mode suppression ratio (SMSR), dB - 50 -
 Longitudinal modes - Single -
 Fiber - FG105UCA -
 Fiber length, m 0.95 1 1.1
 Control interface type 6 - UART -
 Transversal modes - Multiple -
 Operation mode 7 - APC (CW) -
 Modulation bandwidth, MHz 8 - N/A -
 Input 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 18 25 32
 Warm up time, mins (cold start) 0.2 1 2
 Temperature stabilization - Internal TEC -
 External fan control - Yes -
 Overheat protection - Yes -
 Storage temperature, °C (non-condensing) -10 - 50
 Dimensions (WxDxH), mm 9 - 50 x 30 x 18 -
 Net weight, kg 0.1 0.2 0.14
 Laser safety class - 3B -
 RoHS - Yes -
 CE compliance - - General Product Safety Directive (GPSD) 2001/95/EC
- (EMC) Directive 2004/108/EC
-
 OEM lasers are not compliant with - IEC60825-1:2014 (compliant using additional accessories) -
 Warranty, months (op. hrs) 10 - 14 (10000) -
 Country of origin - Lithuania -

1 Measured with a scanning Fabry-Perot interferometer having 7.5 Mhz resolution, with scanning frequency of about 10 Hz. Interferometer testing is not provided for each laser being manufactured, the standard test is OSA measurement with 20-30 pm resolution instead.

2 The output power of SLM lasers shall not be tuned and SLM performance is not guaranteed at power ratings other than factory preset. However, the power setting capability is not disabled. External attenuators are recommended instead.

3 The long term power test is carried out at constant laser body temperature (+/-0.1 ‎°C) using an optical power meter with an input bandwidth of 10 Hz. The actual measurement rate has a period of about 20 seconds to 1 minute.

4 The long term power test is carried out at constant laser body temperature (+/-0.1 ‎°C) using an optical power meter with an input bandwidth of 10 Hz. The actual measurement rate has a period of about 20 seconds to 1 minute.

5 Noise level is measured with a fast photodiode connected to an oscilloscope. The overall system bandwidth is from 2 kHz to 20 MHz.

6 Break-out-boxes AM-C8 and AM-C3 can be used for conversion of UART communication to either USB or RS232.

7 APC - Automatic Power Control.

8 SLM lasers shall not be modulated - use external modulators instead.

9 Excluding control interface pins and an output window/fiber assembly.

10 Whichever occurs first. The laser has an integrated operational hours counter.

Typical spectrum

Typical spectrum of 0488 nm diode laser. Measured with 20 pm resolution.

Spectrum of 488 nm SLM Laser
Drawing

The key dimensions of a fiber-coupled MatchBox.

Drawing of 488 nm SLM Laser
Typical Near Field

Near field beam profile of 488 nm SLM Laser
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