Aurora UV-NIR Fiber Optics Spectrometers



Wide range (200-1100nm)


High resolution (0.75nm FWHM)

Robust package


Spectral analysis

Wavelength inspection

Absorbance measurements

Reflectivity measurements

LED analysis

Spectra samples


LED spectrum


Laser spectrum


fiberstand Fiber holder

fibercable SMA905, 400um fiber cable

With 3648 pixels CCD linear array detector, Aurora4000 spectrometer has high resolution up to 0.02 nm (FWHM). The system includes incident slit, collimating mirror, dispersion element (grating), focusing optical system and detector. Light is collected  through the optical fiber into the spectrometer slit then the spectral information can be read out by the software.

 Standard Sepcifications 
Dimensions: 154 mm x 110 mm x 42.6 mm
Weight: 840 g
Detector: Toshiba TCD1304GP linear CCD array
Pixels: 3648 pixels
Pixel size: 8 μm x 200 μm
Pixel well depth: ~100,000 electrons
Sensitivity: 130 photons/count at 400 nm; 60 photons/count at 600 nm
Optical Bench
Design: f/4, Symmetrical crossed Czerny-Turner
Focal length: 101.6 mm input and output
Entrance aperture: 5 µm wide slit
Grating (mm-1): 300
Filter: 200-1100nm
Fiber optic connector: SMA 905 to 0.22 numerical aperture single-strand fiber
Wavelength range: 200-1100 nm
Optical resolution: <0.75 nm FWHM
Signal-to-noise ratio: 300:1 (at full signal)
A/D resolution: 14 bit
Dark noise: 12 RMS counts
Dynamic range: 2 x 10^9 (system); 1300:1 for a single acquisition
Integration time: 3.8 ms to 10 s
Stray light: <0.05% at 600 nm; <0.10% at 435 nm
Corrected linearity: >99.8%
Power consumption: 450 mA @ 5 VDC
Data transfer speed: Full scans into memory every 4 milliseconds with USB 2.0; every 18 milliseconds with USB 1.1
Inputs/outputs: 10 onboard digital user-programmable GPIOs
Analog channels: One 13-bit analog input one 9-bit analog output
Strobe functions: Yes
Connector: 30-pin connector

Other Slit and grating options for improved optical resolution

Entrance slit




Spectral range


Optical resolution (FWHM)


5 300 200~1100 0.75
10 300 200~1100 0.912
5 300 350~1100 0.411
10 300 350~1100 0.659
5 600 400~837 0.239
10 600 400~837 0.442
5 1200 300~515 0.117
10 1200 300~515 0.216
5 1800 700~790 0.05
10 1800 700~790 0.0925
5 2400 600~656 0.029
10 2400 600~656 0.053

Triggering options
Triggering Mode Description Applicable Spectrometer(s)
Normal Spectrometer acquires spectra continuously. GE+TG
External Software Integration time is set in the software. Software receives a trigger event and transmits spectra obtained in the data acquisition cycle in which the trigger occurred. GE+TG
External Hardware Integration time set via chip in spectrometer. Spectrometer waits for a sharp rise in voltage on the trigger input pin, and then acquires spectra until the voltage is removed. TG



Spectrometer acquires data from an external trigger event until the next time the trigger is activated, at which time the spectrometer ceases spectral acquisition and begins a new acquisition. Integration time cannot be set, since the trigger can fire at random intervals. TG
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