Variable Attenuator

Variable Attenuator

This product is an attenuator that uses specialy coated optics whose transmittance varies with incident angle. It is utilized mainly for a laser with random polarization such as excimer laser. It can be custom-ordered for specific wavelengths.

Domestic Sales Only in Japan

Variable Attenuator

Application Examples

Laser processing machine, solar cell manufacturing and inspection system, semiconductor manufacturing and inspection system, LCD manufacturing and inspection system

Model No. Wavelength Transmittance
variable range
Effective
diameter
Optical
axis height
Laser resistance
(reference)
Maximum
incidence power
V193-ⅡL 193nm 10-80% 45 x 22mm 50mm 500mJ/cm2(15ns10Hz) 50W
V248-ⅡL 248nm 5-90% 45 x 22mm 50mm 500mJ/cm2(15ns10Hz) 50W
V308-ⅡL 308nm 5-90% 45 x 22mm 50mm 500mJ/cm2(15ns10Hz) 50W

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