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BTC261 - NIR TE Cooled InGaAs Array Spectrometer

The BTC261 products are low cost, high performance linear InGaAs array spectrometers, featuring 256, 512 (standard), and 1024 pixels and TE Cooling down to 5oC, all while providing high throughput and large dynamic range. Each spectrometer features an SMA 905 fiber optic input, a built-in 16-bit digitizer, and is USB 2.0 plug-and-play compatible. With our spectral acquisition software you can select between high sensitivity and high dynamic range mode within your preconfigured spectral range. Customized spectral resolution and application support are available.

Features:
 • 900nm - 1700nm Spectral Range          • User Selectable High Dynamic / Sensitivity Mode
• Built-in 16-bit Digitizer                          • TE Cooled  / Stabilized

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Customized Resolution and Wavelength Coverage from 900-1700nm


AC Power Input 100 - 240VAC 50/60 Hz, 0.5A @ 120VAC
Detector Type Linear InGaAs Array
Pixels 512 x 1 @ 25μm x 500μm per element
Spectrograph F# 3.5
Spectrograph Optical Layout Crossed Czerny-Turner
Dynamic Range High Dynamic Mode: 13,000:1 High Sensitivity Mode: 6,250:1
Digitizer Resolution 16-bit or 65,535:1
Readout Speed 500 kHz
Data Transfer Speed BWSpec 3.26: >180 spectra/second via USB 2.0
BWSpec 3.27: >300 spectra/second via USB 2.0
Integration Time BWSpec 3.26: 1ms - 65,535ms x multiplier
BWSpec 3.27: 10ms - 65,535ms x multiplier
External Trigger Aux Port
Operating Temperature 0°C - 35°C
TE Cooling Single-Stage: 5°C (default)
Weight Spectrometer: ~1.4 kg (3.1 lbs) Power Supply: ~0.8 kg (1.8 lbs)
Dimensions Spectrometer: 180mm x 109mm x 69mm (7.1in x 4.3in x 2.7in)
Power Supply: 189mm x 169mm x 76mm (7.5in x 6.6in x 3.0in)
Computer Interface USB 2.0 / 1.1 or RS232
Operating Systems Windows: XP, Vista (32-bit), 7 (32-bit)




Specifications Wavelength

900nm - 1700nm
Accuracy 1 pixel

Stray Light Rejection

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Dynamic Range

High Dynamic Mode: 13,000:1
High Sensitivity Mode: 6,250:1

Digitizer Resolution

16-bit or 65,535:1

Digitizer Speed

500 kHz

Dark Noise

High Dynamic Mode: Off Peak < 15 rms
High Sensitivity Mode: Off Peak < 20 rms

Integration Time

BWSpec 3.26: 1ms - 65,535ms x multiplier
BWSpec 3.27: 10µs - 65,535ms x multiplier
Multiplier 1 - 16

Ambient Operating Temperature

0°C to 35°C

Optical Design

Crossed Czerny-Turner
F# 3.5

Entrance Aperture

Default SMA905
Custom Available

Focal Length

Input 85mm
Output 104.55mm

Grating Options

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Order Sorting Filter

High Pass

Slit Options

25µm
50µm
100µm
Custom

Optical Resolution

4nm to 8.4nm

Collection Lens

NA

Detector

Sensors Unlimited
InGaAs Linear Array Series
TE Cooled

Detector Range

900nm - 1700nm

Pixel Number

512, Others Available

Pixel Size

25µm x 500µm

Detector Length

256 Pixel: 6.4mm
512 Pixel: 12.8mm
1024 Pixel: 25.6mm 

Well Depth

High Dynamic: 100,000,000 Electrons
High Sensitivity: 40,000,000 Electrons 

TE Cooling

1 Stage
Temperature Setting -5°C to 5°C
5°C Factory Default
Temperature Control N/A

Data Acquisition

USB 2.0/1.1 or RS232

Trigger Mode

5V TTL I/O

Power Input

100 - 240VAC 50/60 Hz, 0.5A @ 120VAC

Warm Up Time

< 30 minutes

Physical Specification

Spectrometer:
Length: 180mm
Width:   109mm
Height:    69mm
Weight:   1.4kg

Power Supply:
Length:  189mm
Width:    169mm
Height:    76mm
Weight:   0.8kg

Spectrometer Software Available

BWSpec™
SDK Program

OS Compatibility

Windows XP
Windows Vista (32-bit)
Windows 7 (32-bit)

Minimum Hardware Requirements

800MHz P4
512 RAM
1 Gigabyte available Hard Drive space

 


180mm x 109mm x 69mm (7.1in x 4.3in x 2.7in) :

Dimensional Drawing



      © 2010 B&W Tek, Inc. All rights reserved. - Specifications are subject to change without notice.