LS-1 Series Tungsten Halogen Light Sources
LS-1 Series Tungsten Halogen Light Sources
1
LS-1 Series Tungsten Halogen Light Sources
The LS-1 Series of tungsten halogen light sources are
versatile, white-light lamps optimized for use in the VIS-
Shortwave NIR range (360-2000 nm). These light sources
offer high color temperature, very efficient output, and long
bulb life.
The standard LS-1 model comes with a 900-hour, 3100 K
bulb. The LS-1-LL model features a 10,000-hour, 2800 K
bulb that provides extra long life. All LS-1 light sources come
with a 12 VDC power supply and a power cord. A set of
Teflon diffusing discs and a BG-34 color-correcting filter are
included with these models.
The R-LS-1 and R-LS-1-LL Tungsten Halogen Light Sources
are the rack-mounted versions of the LS-1 models explained
above. Both of these lamp models ship with a set of Teflon
diffusing discs and a BG-34 color-correcting filter.
Each of the LS-1 models above is described in detail in the
following sections.
LS-1 Tungsten Halogen Light Source
Standard LS-1 light sources come with a 900-hour 3100 K bulb. However, the LS-1-LL (long life) is identical to the
LS-1 with the exception of its 10,000-hour 2800 K bulb.
Parts Included
The LS-1 light source ships with the following items:
•
LS-1 Tungsten Halogen Light Source
•
Allen wrench
•
Three Teflon
diffusion discs
•
One BG-34 blue filter
•
12 VDC power supply (a European power supply is also available)
The Teflon
diffusion discs are installed inside the light source. They are used to create a diffuse light source that
is optimal for coupling into fibers, as well as for attenuating the source when spectrometer saturation is an issue.
From smallest to largest, the three Teflon
discs attenuate the light by approximately 50%, 75%, and 99%
respectively.
The BG-34 blue filter is a 12.7 mm filter that you can install in the light source to enhance the signal in the blue
region relative to the red and NIR regions.
See the Using the LS-1 section that follows for more information.
LS-1 Tungsten Halogen Light Source (top)
connected to a FVA-UV Fiber Optic Variable
Attenuator (bottom)
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