Wavelength selection by tilting of 4 filter plates simultaneously. No change of the final beam direction.
The scanning range ∆λ, half bandwidth HBWand transmission at peak maximum Tmax of the stock filters are listed in the following price list. The manufacturing of variable reflection filters (REF "s) is possible in the spectral range 140 nm - 2000 nm.
The scanning range is typical 15% of the center wavelength. Rejection <10 -4 from XUV to FIR. Damage threshold similar to high power coatings. Temperature resistance up to 400°C.
There are two different housings available to adjust the black filter plates (NGI) between AOI 15° and 60°: a manual driven unit, equipped with NGI's 50 x 50 x 1 mm, and a stepper motor driven unit, controlled manually or by PC, with NGI's 70 x 50 x 3 mm. Please ask LASEROPTIK for more details.
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