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Avantes SenseLine : AvaSpec-ULS3648TEC Fiber Optic Spectrometers

The AvaSpec-ULS3648TEC spectrometer is one of the newest spectrometers in the SensLine.

AvaSpec-ULS3648TEC Fiber Optic Spectrometers

The instrument features our re-designed three-stage Peltier cooling device integrated into our exclusive ultra-low stray-light optical bench, which can reduce the temperature of the CCD chip by -35 °C against ambient, improving the dark baseline and PRNU level by a significant factor. The detector cooling also reduces the dark noise by a factor of 2-3.

The size of the ULS3648TEC is reduced by more than 35% compared with Avantes previous TEC spectrometers.

The above features make the AvaSpec-ULS3648TEC an excellent choice for low light-level applications, such as fluorescence and Raman measurements, where integration times of more than 5 seconds may be needed. The AvaSpec-ULS3648TEC can be delivered as 1- or 2-channel instrument and has all the standard options, gratings and specifications of the standard AvaSpec-ULS3648.

The AvaSpec-ULS3648TEC is built into a newly designed housing with an integrated temperature regulator, USB2 high-speed communication, dual cooling fans and an integrated power supply. For this spectrometer now the Replaceable Slit option is also available!

Optical Bench ULS Symmetrical Czerny-Turner, 75 mm focal length
Wavelength range 200 – 1100nm
Resolution 0.05 -20 nm, depending on configuration (see table)
Stray light 0.04-0.1%, depending on the grating
Sensitivity 160,000 counts/µW per ms integration time
Detector CCD linear array, 3648 pixels

Temperature cooled CCD

Max. ΔT = -35°C versus ambient
Time to stabilize 4 Minutes
Dark baseline improvement @ΔT=-35°C and it > 5 sec > Factor 6
PRNU improvement @ΔT=-35°C and it > 5 sec > Factor 8
3 stage Peltier cooling internal Power supply@ΔT=-35° 5VDC, 3.0A
Signal/Noise 350:1
AD converter 16 bit, 1 MHz
Integration time 10 µs – 10 minutes
Interface USB 2.0 high speed, 480 Mbps
RS-232, 115.200 bps
Sample speed with on-board averaging 3.7 ms / scan
Data transfer speed 3.7 ms / scan (USB2)
750 ms / scan (RS-232)
Digital IO HD-26 connector, 2 Analog in, 2 Analog out, 3 Digital in, 12 Digital out, trigger, synchronization
Power supply 100-240VAC, 50W
Dimensions, weight 250 x 179 x 144 mm, 3.6 kg
AvaSpec-3648TEC-USB2 Thermo-Electric Cooled Fiber-optic Spectrometer, 75 mm Ultra-Low Stray-light AvaBench, 3648 pixel 3-stage TE-cooled and regulated CCD detector, USB2 high-speed interface, incl. AvaSoft-Basic, USB cable, desktop housing.
Specify grating, wavelength range and options