Wavelength of IR LED includes 830nm~1600nm. 808nm,850nm,905nm,940nm is normally used.850nm and 940nm is often used on CCTV cameras, ANPR or LPR (Date: 2022-11-23)
Filters for Polymerase Chain Reaction (PCR) instruments are called PCR filters.PCR is a technique to make multiple copies of a short sequence of (Date: 2022-04-17)
An ANPR filter is used on ANPR cameras. ANPR is Automatic Number Plate Recognition.
A LPR filter is used on LPR camera. LPR is License Plate Reco (Date: 2020-09-14)
The AOI’s effect for transmission of bandpass filter,pls see below simulated curve.
(Date: 2020-08-25)
As a kind of precise optical components, the coating on the surface of optical filter is easy to be scratched. Wrong cleaning methods and storage (Date: 2020-08-24)
Manufacture Procedure of Optical coating filters as below:
1.Cutting optical glass(by machine)
2.Cleaning glass(by machine)
3.Vacuum optical coat (Date: 2020-08-18)
Both IR cut coating filters and blue glass can block visible wavelengh,do you know the difference between them?
IR cut filter IBG-650 transmit v (Date: 2019-11-12)
Anti-scratch (AS) coating is not 100% scratch-proof, it helps to prevent minor scratches that can easily happen to filters or windows. These mino (Date: 2019-10-10)
Anti-reflecting (AR) coating is used to reduce reflection and enhance transmission.It’s idea for optical window use.AR coatings are often (Date: 2019-10-10)
1. Nanometer
a unit of length in the metric system, equal to one billionth of a meter, which is the current SI base unit of length. It can be wri (Date: 2019-10-10)