Frequently Asked Questions

A 900nm short pass filter is an optical filter that allows wavelengths shorter than 900nm to pass through while blocking longer wavelengths.

The 900nm short pass filter uses a hard film coating.

The typical wavelength range includes SP490, SP550, SP590, SP600, SP650, SP700, SP800, SP990, and others.

The average transmission (Tavg) of the 900nm short pass filter is greater than 90%.

The blocking range for the 900nm short pass filter is OD2 to OD6.

Yes, the size and shape of the 900nm short pass filter can be customized according to requirements.

You can contact Annie Wang at anniewang@sdhengjing.com for more information about the 900nm short pass filter.

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