CalciumFluoridelensesforthevacuumultra-violetLineimagingThereCalciumFluoridepositivecylindricallensesaresuitableforlineimagingatvacuumultra-violetwavelengths.Theyareidealforusewithexcimerlasers.Anti-r

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CaF2 Cylindrical Lenses

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Calcium Fluoride lenses for the vacuum ultra-violet

Line imaging

There Calcium Fluoride positive cylindrical lenses are suitable for line imaging at vacuum ultra-violet wavelengths. They are ideal for use with excimer lasers. Anti-reflection coatings are available as listed earlier in this section. To order an anti-reflection coated lens simply append the wavelength in nanometers to the product number.

Specifications

Material: VUV CaF2

Surface Flatness: < λ/4 @ 633 nm

Surface Quality : <20/10(both sides)

Centration Error: ≤3 arcmin

Focal Length Tolerance ： <±0.5%

Diameter Tolerance: <+0.00/-0.20mm

Thickness Tolerance: <±0.25mm

Clear Aperture : ≥85% of central dimension

Part No.	Lx W (mm)	f(mm) @ 250 nm	f(mm) @ 308 nm	R (mm)	tc (mm)
CYLX-40x25.4CU-054	40x25.4	50.6	56.1	25.4	5.0
CYLX-40x25.4CU-081	40x25.4	76.0	84.2	38.1	5.0
CYLX-40x25.4CU-108	40x25.4	101.5	112.5	50.8	5.0
CYLX-40x25.4CU-163	40x25.4	152.1	168.6	76.3	5.0
CYLX-40x25.4CU-217	40x25.4	202.8	224.7	101.7	5.0
CYLX-40x25.4CU-271	40x25.4	253.4	280.9	127.1	5.0
CYLX-40x25.4CU-543	40x25.4	507.0	561.9	254.3	5.0
CYLX-40x25.4CU-1086	40x25.4	1014.1	1123.9	508.6	5.0