Short Pass Interference Filters

The short-wave pass filter means that in a specific wavelength range, the short-wave direction is transmitted, while the long-wave direction is cut off, which plays the role of isolating the long wave and passing the short wave. Compared with the traditional colored optical glass filter, the short-wave pass filter produced and developed by Bodian has the advantages of wide cut-off bandwidth, deep cut-off depth, high conversion steepness, high transmittance, high pass rate, and the highest Up to 95%, high cutoff depth, up to OD4, and wide spectral cutoff range. We not only provide a large number of standard filter products in stock, but also can customize filters for your needs.

Product Details

Product overview

The short-wave pass filter is a cut-off filter in the interference filter. The cut-off filter is divided into a long-wave pass filter and a short-wave pass filter, that is, the light beam in a certain wavelength range is required to transmit and deviate from this. The wavelength of the beam changes to cut-off. Generally, we call the filter that reflects (cut-off) the short-wave region and transmits the long-wave region a long-wave pass filter. On the contrary, the short-wave direction is transmitted, while the long-wave direction is cut off, which is used for isolation. The function of long wave is called short wave pass filter

Product Specifications

Process: Ion Assisted Dura

Wavelength: SP450, 495, 540, 650, 720, 855, 920, etc.

Average transmittance: >90%

Steepness: 90%～10%<10nm

Cutoff depth: OD>4

Application areas

Widely used in optical experiments, spectral measurement, industrial measurement, medical analysis, biochemical testing, scientific instruments and other fields.

Process	(IAD Hard Coating)
Wavelength	SP450, 495,540, 650, 720, 855, 920，etc.
T avg.	>90%
Slope	90%～10%<10nm
Blocking	OD>4

Spectrum

Production Proces