Digital Fiber Spectrometer

Detector: Toshiba TCD1304 AP Linear CCD array (Sony ILX511 2048 Linear CCD array)

Detector wavelength response range: 200nm~1100nm

Pixels: 3648 (2048)

Pixel Size: 8um*200um (14um*200um)

Pixel well depth: 10⁵ number electrons

SNR: 300:1(full signal)

A/D resolution: 12 bit

Dark noise: 50 RMS counts

Corrected linearity: 99.8%

Sensitivity (photon/count): 400nm:130, 600nm:60

Optical system: f/4, asymmetrical crossed Czerny-Turner

Focal length: 45mm (input), 70mm (output)

Entrance aperture: 5um, 10um, 15um, 20um, 50um width slits or fiber (customizable)

Grating: various kinds of scoring grating or holographic grating with different grating constants and flare wavelengths (customizable)

Cylindrical lens: optional

Optical filter: band pass or long pass filters to eliminate secondary spectrum

Fiber and fiber connection: NA 0.22, SMA 905 (customizable)

Wavelength range: depend on optical grating

Optical resolution: 0.2nm~10nm FWHM (depend on grating constant, width of slit and detector model)

Wavelength tolerance: about 0.2mm

Integration time: 10u~64s

Dynamic range: 2.0*10⁸ (system), 1300:1 (single acquisition)

Stray light: < 0.05% at 550nm

Power consumption: 250mA*5 VDC

Data transfer speed: full spectrum into memory every 5ms at USB 2.0 (16ms at USB 1.1)