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AvaSpec-3648 Fiber Optic Spectrometer
Technical Data
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Optical Bench
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Symmetrical Czerny-Turner, 75 mm focal length
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Wavelength range
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200 - 1100nm
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Resolution
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0.025 -20 nm, depending on configuration (see table)
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Stray light
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< 0.1%
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Sensitivity (AvaLight-HAL, 8 µm fiber)
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14000 counts (16-bit AD)/µW per ms integration time
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Detector
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CCD linear array, 3648 pixels
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Signal/Noise
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350:1
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AD converter
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16 bit, 1 MHz
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Integration time
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10 µsec - 10 min.
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Interface
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USB 2.0 high speed, 480 Mbps
RS-232, 115.200 bps
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Sample speed with on-board averaging
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3.7 msec /scan
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Data transfer speed
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3.7 msec /scan
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Digital IO
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HD-26 connector, 2 Analog in, 2 Analog out, 3 Digital in, 12 Digital out, trigger, synchronization
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Power supply
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Default USB power, 350 mA
Or with SPU2 external 12VDC, 350 mA
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Dimensions, weight
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175 x 110 x 44 mm(1 channel), 716 grams
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Grating selection table for AvaSpec-3648
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Useable range
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Spectral range (nm)
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Lines/mm
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Blaze (nm)
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Order code
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UV/VIS/NIR
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200-1100**
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900**
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300
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300
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UA
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UV/VIS
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200-850
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520
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600
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300
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UB
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UV
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200-750
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250-220*
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1200
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250
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UC
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UV
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200-650
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165-145*
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1800
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UV
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UD
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UV
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200-580
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115-70*
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2400
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UV
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UE
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UV
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220-400
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70-45*
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3600
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UV
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UF
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UV/VIS
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250-850
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520
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600
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400
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BB
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VIS/NIR
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300-1100**
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800**
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300
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500
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VA
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VIS
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360-1000
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500
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600
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500
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VB
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VIS
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300-800
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250-200*
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1200
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500
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VC
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VIS
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350-750
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145-100*
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1800
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500
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VD
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VIS
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350-640
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75-50*
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2400
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VIS
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VE
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NIR
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500-1050
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500
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600
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750
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NB
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NIR
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500-1050
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220-150*
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1200
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750
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NC
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NIR
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600-1100**
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500**
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300
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1000
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IA
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NIR
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600-1100
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500
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600
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1000
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IB
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* depends on the starting wavelength of the grating; the higher the wavelength, the bigger the dispersion and the smaller the range to select.
** please note that not all 3648 pixels will be used for the useable range
Resolution table (FWHM) for AvaSpec-3648
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Slit size (µm)
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Grating (lines/mm)
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10
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25
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50
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100
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200
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500
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300
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0.5
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1.4
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2.4
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4.3
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8.0
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20.0
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600
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0.27
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0.7
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1.2
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2.1
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4.1
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10.0
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1200
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0.07-0.13*
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0.2-0.3*
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0.4-0.6*
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0.7-1.0*
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1.4-2.0*
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3.3-4.8*
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1800
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0.05-0.08*
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0.12-0.21*
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0.2-0.36*
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0.4-0.7*
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0.7-1.4*
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1.7-3.3*
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2400
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0.04-0.07*
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0.08-0.15*
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0.14-0.25*
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0.3-0.5*
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0.5-0.9*
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1.2-2.2*
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3600
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0.025-0.04*
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0.07-0.10*
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0.11-0.16*
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0.2-0.3*
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0.4-0.6*
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0.9-1.4*
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*depends on the starting wavelength of the grating; the higher the wavelength, the bigger the dispersion and the better the resolution
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CORPORATE