The Digital Mini-Chrom (DMC) is a manually operated monochromator that utilizes a digital counter for wavelength selection. Rotation of the dial causes, via a precision lead screw/ sine bar mechanism, rotation of the diffraction grating which positions the selected wavelength at the exit slit.
Digital Mini-Chroms are used in a variety of applications that require a small yet high performance manually tuned monochromator. They are used in physics, chemistry, engineering and the life sciences applications where a low cost manually tuned device for precision wavelength selection is required.
The wavelength on all Digital Mini-Chroms can be selected and read to 0.2 nm. Wavelength is read directly in nanometers (nm) from a counter on models 01, 02, 03, 04 and 05. Near infrared model (06) requires the counter reading to be doubled.
For more detailed information on monochromator design, operation, beam geometry and alignment, please click here.
Digital Mini-Chrom Monochromator Specifications | DMC1-06G
Resolution with 1 mm slits
850 nm – 2.2 μ
Resolution with 50μ slits
Resolution with 100μ slits
Resolution with 150μ slits
Resolution with 300μ slits
Resolution with 600μ slits
Grating Blaze Wavelength
Linear Dispersion (Center of Range)
± 0.2% of λ
Operating Temperature Range
-20° C to +80° C
Damage Threshold: Pulsed
350 mJ /cm², 200 nano sec. pulse
Damage Threshold: CW laser
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