High Performance Dichroic Filter, Φ25mm, Laser Wavelength=632.8nm, United Optical Technology Co., Ltd (CAT#: STEM-OP-4035-YJL)

High Performance Dichroic Filter, Φ25mm, Laser Wavelength=632.8nm, model 238596, is manufactured by United Optical Technology Co., Ltd.
High Performace Dichromic Filter, which can be used to transmit wavelengths shorter than the cutoff wavelength.
The dichroic beam splitter is made of optical grade float glass and can be used for fluorescence excitation spectrum analysis, beam separation, and beam combination.
United Optical Technology has launched high-performance dichroic dichroic filter standards with diameters of 12.5mm and 25mm in packaged and unpackaged versions and wavelengths of 488nm-1064nm laser wavelengths. Its angle of incidence is 45°.

Diameter: Φ25mm
Laser Wavelength: 632.8nm
Edge Steepness: 78.6cm^-1
Edge Steepness: 78.6cm^-1
Edge Steepness: 78.6cm^-1
Transition Width: 156cm^-1
Transition Width: 156cm^-1
Transmission Band: Tavg＞93%@641-980.8nm
Reflection Wavelength: Rabs＞94%@632.8nm
Reflection Wavelength(P-pol): Rabs＞90%@632.8nm
Reflection Wavelength(S-pol): Rabs＞98%@632.8nm
Edge Wavelength(nm): 639.1nm
Material: UV Fused Silica
Diameter Tolerance: +0.0/-0.1mm
Mount Thickness: 3.5mm
Substrate Thickness: 2.0mm
Thickness Tolerance: ±0.1mm
Surface Quality: 60-40
AOI: 45°withashiftof≤0.20%/degree(35-55°)seeMyLightforperformance
Clear Aperture: ≥22mm
Laser Damage Threshold: 1J/cm2@532nm(10ns pulse width)
Note: Arrow on ring indicates preferred direction of propagation of light.

This product has the characteristics of a steep transition from reflection to transmission. The transition steepness is less than 1% of the laser wavelength. It is widely used in microscopic imaging, Raman spectroscopy, biochemical analysis instruments, life sciences, education and scientific research and other related fields.

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