PbS / PbSe NIR Spectrometer
                 
• Auto Shutter for dark condition

• Low Noise 

• Cooled, Stable Operation

• 256 Detection Elements

• Accommodates spectral measurements in the 1.0 to 3.0 micron (PbS)
or 1.5 to 5.0 micron (PbSe) region

• Optical input direct to slit or via fiber
FEATUER VALUE
Model SM301 SM301-EX
Detectors PbS Array
▶ Number of Pixels : 256
▶ Sensing Pixel Size : 45 μm X 450 μm
▶ Peak Detectivity(D*) : 1X1011 cmHz0.5/W
▶ Pixel Clock : 2MHz max
for 4 MHz data output
▶ Linearity : > 90%
▶ Response uniformity(peak to peak) :
±10% of array single mean 		PbSe Array
▶ Number of Pixels : 256
▶ Sensing Pixel Size : 45 μm X 450 μm
▶ Peak Detectivity(D*) : 1X1011 cmHz0.5/W
▶ Pixel Clock : 2 MHz max.
for 4 MHz data output
▶ Linearity : > 90%
▶ Response uniformity(peak to peak) :
±10% of array single mean
Spectrograph # 3.5
Dark Noise RMS ~ 20 RMS counts (After Balancing)
Fiber Coupler SMA905 or FC standard
Wavelength Range 1000 ~ 2000 nm
/ 1000 ~ 3000 nm 		1500 ~ 5000 nm
Optical Resolution ~ 10 nm FWHM(1.0 ~ 2.0 μm)
~ 20 nm FWHM(1.0 ~ 3.0 μm)		 ~ 20 nm FWHM
Stray Light Level Better than 0.1%
Computer Interface USB 1.1/2.0 compatible
Operating System Windows 7/8.1/10 (32/64 bit)
SDK Support Visual C++ / Visual Basic / LabVIEW
Dimensions / Weight 146mm X 95mm X 81mm / 1.5Kg

The Choice for NIR/NIR Spectral Applications

The SM301/SM301-EX is a versatile, high performance PbS/PbSe array spectrometer. Its active components include a TE cooler and a 256-element PbS/PbSe detector element array. Operation of the unit for research applications is easy with the included SM32Pro - Windows based analysis software. The system is ideal for spectroscopic applications in the 1.0 to 3.0 micron (PbS) or 1.5 to 5.0 micron (PbSe) region.

The SM301/SM301-EX includes thermoelectric cooling to guarantee long-term operational stability. The SM301/SM301-EX employs a multiplexed PbS/PbSe array as its NIR detection element. The array is cooled and temperature stabilized at around -4oC which ensures long-term operation stability. Dark signal can thus be automatically measured by the built-in electronics periodically and subtracted automatically. Compared with conventional scanning NIR spectrometers the SM301/SM301-EX provides the multi-channel detection advantage, both in reducing the measurement time and enhancing measurement signal-to-noise ratio. The SM301/SM301-EX can operate at a readout rate of 2MHz or faster allowing fast measurement and averaging operation to be performed in a short period of time.

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