Visible & Near-Infrared Light Sources
High Power and High Stability Visible Lamp for the 350-2500nm range Request a QuoteDownload Instrument PDFSL1 Tungsten Halogen Light Sources
Visible & NIR range from
350-2500nm 
Popular Systems: VIS-NIR Absorbance, Optical Metrology, Calibration Sources
StellarNet has a variety of VIS-NIR light sources available for spectroscopy applications.
The SL1 Tungsten Halogen Lamps have a wide spectral Range for 350-2500nm – effective for color, reflectance, transmittance, and absorbance measurements
Extensive Life – The SL1 has a 10,000 hour Tungsten Halogen lamp filled with Krypton gas
High Output Power – 200 W/m^2 and 2800K color temperature for many types of spectroscopy applications
Great Compatibility/Versatility – manipulate output with color-enhancing or signal-attenuating filters.
Miniature Size – Its small size of only 1.5” x 3” x 3.5” makes it a perfect match for our compact spectrometers. A small footprint makes this a great lamp for bench top applications.
Portability – The small enclosure and low power consumption provides the ultimate VIS-NIR light source for portability. 12VDC power requirements easily allow you to run off our battery pack accessories for hours of field work.
Options and Upgrades
The SL1-FILTER includes a 0.5” diameter filter holder nose cone. Customers can use a variety of filters for spectral attenuation, band pass, and more. Includes CEF filter to improve blue sensitivity
CEF- Color Equalization Filter adds red light suppression and blue light sensitivity for improved S/N in color applications
Lens-DCX adds internal lens assembly to SL1-Filter to amplify output signal 4-7x
The SL1-CUV adds a 1cm cuvette holder with integrated collimating lens. Dual purpose allows the collimating lens to be demounted for far field emission monitoring
SL1-BAT is a unique option that adds a jack to any SL1 so it can be powered from +5VDC. Users can achieve complete portability with the BP1 or BP2 battery pack for the spectrometer and the SL1-BAT
SL1-CAL is configured specifically for Irradiance calibrations (300-1100nm/300-1700nm). A USB drive is supplied with intensity data used to calibrate a SpectroRadiometer.
SL1B replacement bulb for SL1 Tungsten light source
Technical Specifications
| SL1 VIS-NIR Light Source | |||
| Weight: | 0.62 lbs (280g) | Output to bulb: | 5VDC |
| Power consumption: | 12 watts | Output regulation: | 0.2% |
| Spectral Range: | 350 – 2500nm | External filter accessory: | Demountable |
| Time to stabilize: | 1 min | External filter holder: | 0.5″ diameter filters SL1-Filter only |
| Power output: | 200 Watts /m2 | Bulb Life: | +10,000hrs |
| Bulb Color Temp: | 2800K | Connector: | SMA 905 |
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