ASTROLITE A810408 TEC

TE-cooled low-noise spectrometer.

A810408 TEC combines a TE-cooled back-thinned CCD area sensor with low-noise readout for fluorescence emission, Raman scattering, and long-integration spectral measurement.

AstroLite A810408 TE-cooled spectrometer

Key Benefits

Key characteristics of this model.

Benefit

TE-cooled CCD platform

One-stage TE cooling improves thermal stability for low-noise spectral acquisition.

Benefit

Back-thinned CCD area sensor

Back-thinned area detection for weak spectral signals.

Benefit

Low-noise readout

18-bit A/D and optimized electronics for stable spectral response.

Benefit

Low-noise applications

Suitable for weak spectral signals such as fluorescence emission and Raman scattering, and for long-integration measurements.

Key Specifications

Core detector, cooling, signal, and interface specifications.

Wavelength range200–1100 nm
DetectorHamamatsu S10141-1107S-01
Sensor typeBack-thinned CCD area sensor
Pixel count / size2048 × 122 pixels, 12 µm × 12 µm
Optical resolutionApprox. 1 nm with a 25 µm slit; option-dependent
Signal-to-noise ratio1000:1
Dynamic range100,000:1
Integration time8 ms–3600 s
A/D resolution18 bit
Fiber connectorSMA905
CommunicationUSB 2.0 and RS-232
CoolingOne-stage TE cooling; down to −10 °C at 25 °C ambient
Power supply5 VDC, 3 A for TEC cooling

Optical resolution is an approximate configured value and depends on the wavelength range, grating, slit width, and optical setup.

Representative Wavelength Options

Representative configurations are listed below.

ModelWavelength RangeOptical ResolutionSlit
A810408-01750–1090 nm~1 nm25 µm
A810408-02200–1000 nm~1 nm25 µm
A810408-03350–1050 nm~1 nm25 µm
A810408-04800–1100 nm~1 nm25 µm

Other wavelength ranges, optical resolutions, and slit sizes are available on request.

Typical Applications

Representative applications for this model.

ApplicationRaman Scattering SpectroscopyLow-noise spectral measurement for Raman applications.
ApplicationFluorescence Emission AnalysisSensitive fluorescence detection with improved thermal stability.
ApplicationLow-light MeasurementTE-cooled CCD for weak spectral signal analysis.
ApplicationLong-integration SpectroscopyStable measurement for low-noise, longer integration experiments.

System Components

Spectrometers are easier to understand when shown with the light source, fiber, and probe path.

ComponentTHL1041Precision tungsten-halogen light source for visible–NIR spectroscopy setups.
ComponentDHLiteMini deuterium-halogen source when broader UV–VIS–NIR coverage is required.
ComponentOptical FiberSMA905 fiber connection between source, probe, and spectrometer.
ComponentFiber ProbeReflectance or sampling probe for collecting light from the measurement point.

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