HORIBA MicroHR Series Short Focal Length Imaging Spectrometers

Focal Length

140 mm

140 mm

Entrance Aperture Ratio

f/3.88

f/3.88

Grating Mount

Interchangeable single grating

Interchangeable dual grating turret

Grating Size

32 mm x 32 mm

32 mm x 32 mm

Scanning Range**

0 – 1000 nm

0 – 1500 nm

Multi-channel coverage**

140 nm over 26.7 mm array

140 nm over 26.7 mm array

Focal Plane

27 mm wide x 10 mm high

27 mm wide x 10 mm high

Image Magnification at Exit Slit

1.1

1.1

Spectral Dispersion**

5.25 nm/mm at 400 nm

5.25 nm/mm

Spectral Resolution

0.3 nm (w/ 26 µm pixel array)

0.25 nm (w/ exit slit & PMT)

Wavelength Accuracy**

± 0.5 nm

± 0.25 nm

Wavelength Repeatability**

± 0.15 nm

± 0.04 nm

Slits

Fixed or micrometer

Fixed or micrometer