HORIBA iHR 320 iHR 550Mid-Focal Length Imaging Spectrometers

Focal Length

320 mm

550 mm

Aperture

f/4.1

f/6.4

Spectral Range

150 to 1500 nm w/ 1200 g/mm grating
150 nm to 40 µm w/ appropriate gratings

150 to 1500 nm w/ 1200 g/mm grating
150 nm to 40 µm w/ appropriate gratings

Grating Size

68 mm x 68 mm

76 mm x 76 mm

Number of Gratings on Turre

up to 3

up to 3

Flat Field Size

30 mm x 12 mm

30 mm x 12 mm

Wavelength Accuracy

± 0.20 nm

± 0.20 nm

Repeatability

± 0.075 nm

± 0.075 nm

Spectral Dispersion (@500 nm)

2.31 nm/mm

1.34 nm/mm

Magnification

1.1

1.1

Stray Light*

1.5 x 10^-4

1 x 10^-5

Scan Speed

160 nm/sec

160 nm/sec