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Avantes StarLine : AvaSpec-ULS2048L Versatile Fiber-optic Spectrometer

A close cousin to the AvaSpec-ULS2048 but with larger pixels is the AvaSpec-ULS2048L.

AvaSpec-ULS2048L StarLine Versatile Fiber-optic Spectrometer

It provides enhanced sensitivity at an affordable price. The AvaSpec-ULS2048L has pixels that are almost four times higher than those in the AvaSpec-ULS2048. It gives you twice the signal to noise ratio and 40% less dark noise.

Options include a deep-UV detector coating, for better performance in the deep-UV-range, a detector collection lens to enhance sensitivity in the 200-1100 nm range and order-sorting filter to reduce 2nd order effects. Furthermore, the AvaSpec-ULS2048L is available with a wide range of slit sizes, gratings and fiber-optic entrance connectors.

The AvaSpec-ULS2048L is also available in dual or multi-channel versions (up to 10 spectrometers), where all spectra are taken simultaneously.

Connection to your PC is handled via USB2-connection, delivering a scan every 1.8 millisecond. Integration time can be as short as 1.11 millisecond up to a maximum of 10 minutes. It comes complete with AvaSoft-Basic software, USB cable and an extensive manual , including a quick start guide in four languages.

Optical BenchULS Symmetrical Czerny-Turner, 75 mm focal length
Wavelength range200-1100 nm
Resolution0.06-20 nm, depending on configuration (see table)
Stray-light0.04-0.1%, depending on the grating
Sensitivity in counts/µW  per ms integration time470,000
DetectorCCD linear array, 2048 pixels
Signal/Noise300:1
AD converter16 bit, 2 MHz
Integration time1.11 ms – 10 minutes
InterfaceUSB 2.0 high speed, 480 Mbps RS-232, 115.200 bps
Sample speed with on-board averaging1.1 ms / scan
Data transfer speed1.8 ms / scan (USB2)
430 ms / scan (RS-232)
Digital IOHD-26 connector, 2 Analog in, 2 Analog out, 3 Digital in, 12 Digital out, trigger, sync.
Power supplyDefault USB power, 350 mA or with SPU2 external 12VDC, 150 mA
Dimensions, weight175 x 110 x 44 mm (1 channel), 716 grams
AvaSpec-ULS2048L-USB2 Fiber Optic Spectrometer, 75 mm Avabench, 2048 pixel 14×200µm CCD detector, USB powered high speed USB2 interface, incl. AvaSoft-Basic, USB interface cable, specify grating, wavelength range and options