405 NM SLM LASER (VBG DIODE; FREE-SPACE)

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Item Code:
0405L-21A-NI-NT-NF
Product status:
Full production Product specifications are stable. Delivery time is predictable.
Availability:

Description
This model of single-frequency (SLM) 405 nm lasers is widely used in compact Raman spectrometers. Small footprint and +5VDC (USB typical) operating voltage is exactly what's needed for handheld portable devices. Integrated precision driver electronics ensure low-noise and very stable operation throughout the wide temperature range. 405 violet radiation features high energy photons, therefore much lower power is enough for efficient excitation of fluorescence or Raman scattering.
This free-space laser can be supplied with an integrated clean-up filter.
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Specifications
Last edited on:  23 August 2019
Parameter Minimum Value Typical Value Maximum Value
 Central Wavelength, nm 404.5 405 405.3
 Longitudinal modes - Single -
 Spectral line width FWHM, pm - 0.1 1 1
 Output power, mW - 40 2 -
 Side-mode suppression ratio (SMSR), dB 40 50 60
 Power stability, % (RMS, 8 hrs) - 0.2 3 1
 Power stability, % (peak-to-peak, 8 hrs) - 2 4 3
 Noise, % (RMS, 20 Hz to 20 MHz) - 0.25 5 0.6
 Transversal modes - TEM00 -
 Beam Diameter at Aperture (1/e2), mm - 1 -
 Beam divergence (full angle), mrad - 1.1 -
 M2 horizontal axis - 1.2 1.4
 M2 vertical axis - 1.3 1.6
 M2 effective - 1.3 1.6
 Polarization direction - Horizontal 6 -
 Polarization contrast 1000 2000 5000
 Control interface type - UART/USB -
 Operation mode - APC (CW) -
 Modulation bandwidth, MHz - N/A 7 -
 Input voltage, VDC 4.8 5 5.3
 External power supply requirement - +5 V DC, 1.5 A -
 Dimensions, mm - 50 x 30 x 18 8 -
 Beam height from the base, mm 9.9 10.4 10.9
 Heat-sinking requirement, °C/W - 1 -
 Optimum heatsink temperature, °C 15 20 30
 Warm up time, mins (cold start) 0.2 1 2
 Temperature stabilization - Yes -
 Overheat protection - Yes -
 Storage temperature, °C (non-condensing) -10 - 50
 Net weight, kg 0.1 0.12 0.14
 Max. power consumption, W 0.4 2 10
 Warranty, months (op. hrs) - 14 (10000) 9 -
 RoHS - Yes -
 CE compliance - - General Product Safety Directive (GPSD) 2001/95/EC
- (EMC) Directive 2004/108/EC 		-
 Laser Safety Class - 3B -
 OEM lasers are not compliant with - IEC60825-1:2014 (compliant using additional accessories) -
 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 10-20 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 For lasers without integrated optical isolators.
7 SLM lasers shall not be modulated - use external modulators instead.
8 Excluding control interface pins and an output window/fiber assembly.
9 Whichever occurs first. The laser has an integrated operational hours counter.
Note: Product specifications are subject to change without prior notice to improve reliability, function or design or otherwise.
Typical spectrum
Spectrum of 405 NM SLM LASER (VBG DIODE; FREE-SPACE)
Typical spectrum of 0405 nm diode laser. Measured with 10 pm resolution.
Typical Near Field
Near field beam profile of 405 NM SLM LASER (VBG DIODE; FREE-SPACE)
Typical near field (0.45 m from output aperture) beam profile. Non-circularized beam of a 0405 nm direct diode laser.
Typical Far Field
Far field beam profile of 405 NM SLM LASER (VBG DIODE; FREE-SPACE)
Typical far field (2.75 m from output aperture) beam profile. Non-circularized beam of a 0405 nm direct diode laser.
Drawing
Drawing of 405 NM SLM LASER (VBG DIODE; FREE-SPACE)
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