The Omni-λ200i from Zolix Instruments is a Czerny-Turner Monochromator that has a focal length of 200 mm. It has a wavelength accuracy of ± 0.2 nm and wavelength repeatability of ± 0.1 nm. This monochromator has an aperture ratio of f/3.5 and a dispersion of 3.6 nm/mm (at 435.8 nm). It has an integrated PMT and CCD that has a resolution of 0.15 nm (PMT) & 0.28 nm (CCD). This monochromator has a step of 0.01 nm and stray light of 1x10-5. It has a focal plane that measures 30 (W) x 14 (H) mm and an optical axis of 146 (H) mm.
The Omni-λ200i has a slit width of 0.01 - 3 mm and slit height of 2, 4, or 14 mm. It has a dual grating turret mount with a grating size of 50 mm x 50 mm. This monochromator is operated using Labview driver software and can be controlled via a USB 2.0 interface. It is available in a module that measures 300 mm x 216 mm x 213 mm and is ideal for fluorescence & Raman spectroscopy, light source characterization, photoluminescence, photochemistry, and imaging applications.