These spectrometers work across a broad spectral range (UV-VIS – NIR – SWIR) and are designed to maximize the probe light throughput in HELIOS and EOS spectrometers. They consist of an imaging spectrograph and a high-speed multichannel detector. The spectrograph utilizes a high-efficiency, ion-etched, aberration-corrected holographic grating. After an optical fiber, light travels directly to the grating. The grating simultaneously disperses and refocuses light onto the sensor without the use of any additional mirrors, lenses, etc. The height of the projected spectral image remains virtually the same as the diameter of the input optical fiber, ensuring minimal losses at the sensor. The multichannel detectors have 0.5 mm tall pixels, which are optimal for spectrometry.
Sensor Type
CMOS, linear
CCD, linear
Sensor Size
1024 pixels
2048 pixels
Pixel size, μm
25(H) x 500(V)
14(H) x 500(V)
Active area length
25.6 mm
Maximum scan rate
9500 scans/s
2400 scans/s
Sensor spectral response
200 – 1000 nm
Grating spectral range
300 – 900 nm
Can be manually rotated to shift the range by ±50 nm
Spectral resolution
Max – 2 nm (50 μm slit)
Typical – 4 nm (200 μm slit)
Synchronization
Via external trigger or free-run
Dynamic range
>1000 This value corresponds to a 10 ms integration time.
For shorter integration times this value is larger.
Shortest integration time
800 ns
Digitization depth
16 bit
Sensor Type
InGaAs diode array, linear
Sensor Size
256 pixels
Pixel size
50(H) x 500(V) μm
Active area length
12.5 mm
Maximum scan rate
9500 scans/s
Sensor spectral response
800 – 1700 nm
Grating spectral range
800 – 1700 nm
Can be manually rotated to shift the range by ±50 nm
Spectral resolution
Max – 4 nm (50 μm slit)
Typical – 13 nm (200 μm slit)
Synchronization
Via external trigger or free-run
Dynamic range
>1000 This value corresponds to a 10 ms integration time.
For shorter integration times this value is larger.
Shortest integration time
20 μs
Digitization depth
16 bit
Sensor Type
InGaAs diode array, linear
Sensor Size
256 pixels
Pixel size
50(H) x 500(V) μm
Active area length
12.5 mm
Maximum scan rate
9500 scans/s
Sensor spectral response
1600 – 2400 nm
Grating spectral range
1600 – 2400 nm
Can be manually rotated to shift the range by ±50 nm
Spectral resolution
Max – 4 nm (50 μm slit)
Typical – 13 nm (200 μm slit)
Synchronization
Via external trigger or free-run
Dynamic range
>1000 This value corresponds to a 10 ms integration time.
For shorter integration times this value is larger.
Shortest integration time
20 μs
Digitization depth
16 bit
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