HORIBA VS70-PDA Highest SNR PDA Miniature Spectrometer

Spectral Coverage

Standard: UV-VIS (200–860 nm) with 477 l/mm grating, VIS (380–750 nm) with 582 l/mm
grating, UV-NIR (200–1050 nm) with double-blazed 365 l/mm grating
On request other spectral ranges available / different mechanical integration might needed

Spectrometer Input

Fiber coupled: FC or SMA; Free space: 12-25-37-50-62-75-100-125-150-200 μm slits, other options
available upon request

Spectral Resolution

2 nm for 365 l/mm grating, 1 nm for 477 l/mm grating, 0.8 nm for 582 l/mm grating
(25 μm slit for all)

Average Spectral
Dispersion

30.9 nm/mm for 365 l/mm grating, 23.7 nm/mm for 477 l/mm grating,
16.3 nm/mm for 582 l/mm grating

Focal Length

70 mm

Options

Selection of high grade sensors: CMOS, B.I. CCD, PDA
Input port: SMA, FC, free space, custom input

F/#

F/2.3

Stray-light Rejection
Typical (Maximum)

0.01% (0.02%) for UV-VIS configuration with 300 μm tall CCD, measured at 700 nm
(measured with broad bandpass 510 nm filter, 75 μm slit-width)
> 2.4 AU linear range (5% variation) with caffeine 273 nm absorption peak in 10 mm cuvette
and D₂ lamp.

Wavelength Accuracy

≤ 0.2 nm (Average Absolute Wavelength Error)

Software**

LabVIEW™ acquisition software for initial evaluation (DLLs provided for software integration)