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2022-05

How do spots or streaks in the UV Longpass Filters come about

UV Longpass Filters speckle or speckle definition and description: Viewed from the non-coated surface, there are irregular color speckle or speckle surface defects on the coated UV Longpass Filters. Generally, there are mildew, paper grain, suction cup printing, tin dipping and watermark on the original film.

May 16,2022

How do spots or streaks in the UV Longpass Filters come about

2022-05

The influence of the film quality of the filter on the UV Longpass Filters

The level of filling density of the film layer of the filter that is used frequently will not only affect the optical performance of the UV Longpass Filters, especially the environmental stability of the optical performance of the filter, but also affect the mechanical properties of the filter film, especially the filter.

May 09,2022

The influence of the film quality of the filter on the UV Longpass Filters

2022-05

How to understand the bandwidth of the Bandpass Optical Filters

The two wavelengths in a Bandpass Optical Filters whose transmittance is equal to 50% of the peak transmittance are called half-power wavelengths.

May 06,2022

How to understand the bandwidth of the Bandpass Optical Filters

2022-04

Application of Bandpass Optical Filters

A Bandpass Optical Filters is a filter with a cutoff band on both sides of the transmission band of the spectral characteristic curve. Bandpass Optical Filters transmit only certain wavelength bands and block others. The width of this filter is expressed in the range of wavelengths it allows to pass, which can range from a few nanometers to hundreds of nanometers.

Apr 29,2022

2022-04

What is a Bandpass Optical Filters

At present, Bandpass Optical Filters are widely used as optical components for filtering and selecting spectral lines.

Apr 25,2022

2022-04

The Bandpass Optical Filters is a filter with the cut-off band on both sides of the transmission band of the spectral characteristic curve. According to the spectral characteristics, the bandpass filter is roughly divided into two types: broadband filter and narrowband filter. Usually it is used in combination. Band-pass filters are prepared based on the principle of light wave interference, and band-pass filters have been widely used in various fields.

Apr 19,2022

Popular Science of Bandpass Optical Filters

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