Posted in | Chemical Analysis | Spectrometers

Thermoelectrically-Cooled CCD Spectrometer: Glacier T

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B&W Tek’s Glacier^® T series is a high-resolution, double-pass transmission-based thermoelectrically-cooled (TEC) linear CCD array spectrometer that has been developed especially for Raman spectroscopy. The Glacier T is available preconfigured for excitation at 532 or 785 nm, with a broad spectral range or high-resolution option.

The TE-cooled spectrometer has a 2048-element CCD, high-speed USB 2.0 interface, and built-in 16-bit digitizer and thus constantly provides improved high-throughput results.

Integrating a Glacier T spectrometer with an equivalent excitation laser system and Raman probe offers a module-level Raman system or OEM building block. It comes with system development and application support for OEM applications.

Features

3.0 cm⁻¹ to 4.5 cm⁻¹ resolution*
14 °C TE-cooled detector
Raman shift* of 0 cm⁻¹ to 4000 cm⁻¹
16-bit digitizer
Quick F/2 Spectrograph
OEM building block

*-Varies by model

Accessories

532 nm laser
785 nm laser
Lab grade probe
Industrial grade probe

Raman Spectrum: Cyclohexane

Image Credit: B&W Tek

Dark Current: Uncooled vs Cooled CCD Detectors at 30 Seconds

Room temperature.

Room temperature. Image Credit: B&W Tek

Cooled to 14 °C.

Cooled to 14 °C. Image Credit: B&W Tek

Specifications

Table 1. Source: B&W Tek

.	.
DC Power Input	5 V DC < 1.5 Amps
AC Adapter Input	100 - 240 VAC 50/60 Hz, 0.5 A @ 120 VAC
Detector Type	Response Enhanced 2048 element linear silicon CCD array
Pixels	2048 x 1 elements @ 14 µm x 200 µm per element
Spectrograph F#	2.0
Slit	20 mm (785 nm), 10 mm (532 nm)
Spectrograph Optical Layout	Transmission
Dynamic Range	300 typical
Digitizer Resolution	16-bit or 65,535:1
Readout Speed	500 kHz
Data Transfer Speed	Up to 180 spectra per second via USB 2.0
Integration Time	5 ~ 65,535 ms x multiplier
External Trigger	Aux Port
Operating Temperature	15 °C - 35 °C
Operational Relative Humidity	85% Noncondensing
TE Cooling	14 °C
Weight	~1.8 kg (3.9 lbs)
Dimensions	191 mm x 94 mm x 90 mm (7.5 in x 3.7 in x 3.5 in)
Computer Interface	USB 2.0 / 1.1
Operating Systems	Windows: XP, 7, 8, 10 (32-bit & 64-bit)

Available Models

Table 2. Source: B&W Tek

Model #	Spectral Range	Spectral Resolution	Approximate Raman Shift	Resolution*
BTC162E-532S	532 - 676 nm	~0.15 nm	0 - 4000 cm^-1	~4.0 cm^-1 @ 614 nm
BTC162E-532H	532 - 645 nm	~0.11 nm	0 - 3300 cm^-1	~3.0 cm^-1 @ 614 nm
BTC162E-785S	780 - 1050 nm	~0.37 nm	0 - 3200 cm^-1	~4.5 cm^-1 @ 912 nm
BTC162E-785H	784 - 996 nm	~0.29 nm	0 - 2700 cm^-1	~3.5 cm^-1 @ 912 nm