High performance portable optic spectrometer for raman

Detector

Detector

Toshiba TCD1304DG linear CCD array

Wavelength range

200-1100nm

Pixels

3648 pixels

Pixel size

8um*200um

Sensitivity

130 photons/count at 400nm
 60 photons/count at 600nm

Spectrometer

Dimensions (mm)

149*105*46

Weight (g)

840

Optical resolution

<0.75nm FWHM (Depending on the grating mark density and the slit size, available in a variety of options)

Signal-to-noise ratio

300:1 (at full spectrum)

Dark noise

12RMS counts

Dynamic range

2*10⁹ (system)

Integration time

4ms-10s

Stray light

<0.05%@600nm; <0.10%@435nm

Corrected linearity

>99.8%

Optical Bench

Design

f/4, Symmetrical crossed Czerny-Turner

Focal length

101.6mm input and output

Entrance aperture (um)

5,10,25,50,100 or 200

Grating

A variety of different grating, ultraviolet and infrared

Fiber optic connector

SMA905 to 0.22 numerical aperture single-strand fiber

Electronics

Power consumption

450mA@5VDC

Trigger mode

4 kinds

Data transfer speed

Full scans into memory every 4 ms with USB 2.0; every 18 ms with USB 1.1

Inputs/outputs

5 inputs and 5 outputs (opto-isolator inputs/outputs)

Analog channels

One 12 analog input one 12 analog output

Connector

30-pin connector