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Bandpass filter glass
Product model: Grade DBT400 DBT435 DBT470 DBT500 DBT530 DBT545 DBT560 DBT600 DBT660 DBT700 DBT720 DBT740Reference price：Order Hotline：+86-400-006-2668
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Band pass filter glass is a kind of narrow bandwidth, short wave and long wave have a clear cut of the glass, as shown in figure. Their spectral properties are represented by the maximum transmission ratio (TM) and its wavelength (M) position, the cutoff wavelength, the wavelength cutoff wavelength, and the half width.
The maximum transmittance of the glass with glass is half of the difference between the wavelength of 1 and 2 (1- 1). The wavelength cutoff wavelength is at the peak value of the short wavelength, and the transmittance is equal to zero. Long wavelength cutoff glass is on the side of the long wave peak, transmission ratio is equal to the wavelength of zero, and some species, in the long wavelength side of the glass transmission ratio is less than zero, with a wavelength of transmission than said. With the glass to the first letter of the alphabet DTB to name, the transmission ratio of the maximum value of the wavelength position as their serial number.
Band pass filter glass
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