Economical Shortpass Filter, Φ25mm, Transmission Wavelength: 400~580nm, Blocking Band: 625~795nm, United Optical Technology Co., Ltd (CAT#: STEM-OP-3913-YJL)

Highlights

Shortpass filter has the advantages of wide cut-off bandwidth, deep cut-off depth, high conversion steepness, and high transmittance.

Cat Number: STEM-OP-3913-YJL

Application: It can be widely used in fluorescence excitation spectrum measurement, Raman spectrum applications, spectral grouping applications, and astronomical observation applications, etc. It can also be widely used in imaging optical systems and machine vision system applications to eliminate interference light outside the available waveband, greatly improving imaging clarity and system sensitivity.

Model: 218606

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Description Specification Features Related Products

Description

Economical Shortpass Filter, Φ25mm, Transmission Wavelength: 400~580nm, Blocking Band: 625~795nm, model 218606, is manufactured by United Optical Technology Co., Ltd.
The Economical Shortpass Filter allows light with a wavelength smaller than the set wavelength to pass through and cuts off light with a wavelength larger than the set wavelength.
If the surface of the shortwave filter is dirty, use dust-free lens cleaning paper dipped in alcohol to wipe the lens surface. Do not wipe with cloth or paper with a very rough surface or water, otherwise the surface of the shortwave filter will be damaged.

Specification

Diameter: Φ25mm
Center Wavelength(CWL): 600nm
Transmission Wavelength: 400~580nm
Blocking Band: 625~795nm
Material: Optical Grade Float Glass (B270)
Transmitted Wavefront Error: λ/4@633nm
Parallelism: ＜30arcsec
Surface Quality: 40/20-60/40
Diameter Tolerance: +0.0/-0.1mm
Thickness: 2mm±0.2mm
Central Wavelength Tolerance: ±2%
Transmission(T): Tavg＞85%
Blocking Depth: OD2
Blocking Slope: ＜3%
Clear Aperture: ＞90%
Angle of Incidence: 0°

Features

Shortpass filter has the advantages of wide cut-off bandwidth, deep cut-off depth, high conversion steepness, and high transmittance.

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