254 nm MaxLamp™ Mercury line filter

Semrock部件编号: Hg01-254-25

IDEX部件编号: FL-004369

These high-performance mercury line filters are ideal for use with high-power mercury arc lamps for spectroscopy, optical metrology and photolithography mask-aligner and stepper systems. Maximum throughput is obtained by careful optimization of the filter design to allow for use in a variety of different applications. The non-absorbing blocking ensures that all other mercury lines as well as intra-line intensity are effectively eliminated.

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Specifications
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Optical Specifications	Value
Transmission Band 1	Tavg > 65% 244 – 256 nm
Blocking Band 1	ODavg > 6 200 – 236 nm
Blocking Band 2	ODavg > 4 263 – 450 nm
Blocking Band 3	ODavg > 2 450 – 600 nm
Center Wavelength 1	250 nm
FWHM Bandwidth 1 (nominal)	15.2 nm
Guaranteed Minimum Bandwidth 1	12 nm
General Filter Specifications	Value
Angle of Incidence	0 ± 7 degrees
Cone Half-angle	10 degrees
Optical Damage Rating	Testing has proven to show no signs of degradation when exposed to at least 6.0 W of power from an unfiltered xenon arc lamp over a 25 mm diameter (corresponding to 1.2 W/cm2) for over 500 hours.
Physical Filter Specifications	Value
Transverse Dimensions (diameter)	25 mm
Transverse Tolerance	+ 0.0 / – 0.1 mm
Filter Thickness (mounted)	3.5 mm
Filter Thickness Tolerance (mounted)	± 0.1 mm
Filter Thickness (unmounted)	2.0 mm
Filter Thickness Tolerance (unmounted)	± 0.1 mm
Clear Aperture	≥ 22 mm
Scratch-Dig	80-50
Orientation	Arrow on ring is preferred direction of propagation of light
MercuryLine	253.7 nm