(9030DA-VISNIR) 0.1 m Compact Double Additive Monochromator, VIS/NIR Spectral Range

The 9030DA double additive monochromator consists of two 9030 monochromators placed in series. Stray light is drastically reduced in a double monochromator, and in the 9030DA it is further minimized by the use of concave holographic gratings. The inbound light is dispersed by the first grating and again by the second. Both gratings rotate simultaneously in the same direction, and the monochromators are coupled so that the dispersion is double that of a single 9030 monochromator. Bandpass is half of the corresponding 9030 monochromator for the same output slit, and resolution using a 100 µm slit is 0.4 nm.

Mirror coatings have been chosen for this model to enhance performance in the VIS-NIR spectral region. There are 5 grating choices (sold separately) covering from UV to near-IR; choose a VIS to NIR range to pair with the VIS/IR mirror coatings on this model. Two gratings are required.

The 9030DA is a fully integrated unit with the two diffraction gratings coupled mechanically for accurate positioning, adjusted manually using a thumb-wheel. It can be upgraded to be motorized and controlled by a computer with the 9030 Motorized Upgrade. Only one motor and drive unit is required for both monochromators, enabling control via Sciencetech Sci-Mono Active-X library or full featured Sci-Spec software.

Please add a minimum of three slits (for the input, output, and intermediate position) separately. Several removable fixed-width slit sizes are available to choose from ranging from 50 μm to 3 mm width. Please note that a 50μm slit may introduce some artifacts when used with the 9030 - this model is recommended to be used with slits of 100μm or larger for best performance in most applications. Additional removable slits and custom width slits can also be purchased.
Available slits include:
Model Slit Width
SF005 - 50 μm
SF010 - 100μm
SF025 - 250μm
SF050 - 500μm
SF100 - 1mm
SF200 - 2mm
SF300 - 3mm