Refet Optical Technology Company

Round, square specification 700nm, 720nm, 750nm, 780nm, 800nm, 850nm, 880nm, 940nm T>85% 300-600Reje

Dichroic filters (color separation filters) are used in a variety of applications where it is necessary to iso

narrowband wavelengh: 850nm<ul> bandwidth: 20nm to 30nm 830nm to 870nm Transmission rate>80%

Optical characteristic: 400-420nm Tmin >85% 420-620nm Tave>90% Tmi

Used for CDS (photodiodes and photosensitive resistor) 420 ~ 620 nm Tminâ�¥85%, Taveâ�&

It is widely used on CD�VCD�DVD�mro-test instrument�dispersion of light in

Wavelength: 380 to 620nm Transmittance average area: > 92% Minimum transmittance average: > 85% Rej

1/2, 1/3, and 1/4-inch quartz crystal Rejection range: 720 to 1, 100nm Rejection average transmittance: <

incidence angle: 0° Material: BK7�Float glass�B270�Borofloat33 2

Apply CCD/CMOS 1 layer blue glass (normal OLPF) Apply cmos/ CCD trigger of Sony/Sharp specially (for exampl

Center Wavelength : 635nm, 640nm, 650nm, 780nm, 850nm, 880nm, 940nm, 1064nm T>85% FWHM: 10nm, 20nm, 3

the IR cut filter which also called infrared filter is normally used on solid state CCD or CMOS video camera t

Transmittance >90%: 380 to 620nm Transmittance>85%: 850nm Rejection range: 900 - 1, 100nm Rejection t

AR filter is Anti-Reflective coatings, it is possible to apply an Anti-Reflection coating to any uncoated lens