optical uv narrow band filter

    Specific parameters optical uv narrow band filter     1.Material : Colored optical materials
2.Specification : according to customer drawings
3.Precision (the highest) : N=2;N=0.5;B=40/20;C=0.01 4.size :according to customers' requirement 5.any other requirement can be customized  6.well-welcome OEM        

Material	Colored optical materials(glass)
Size	according to your requires
Thickness	according to your requires
Diameter Tolerance	±0.10
Thickness Tolerance	±0.2 mm
Surface reflectance	30% (per one surface)
Surface Quality (Scratch-Dig)	60-40 (according to your requires)
Spherical Surface Powerb	λ/2 (according to your requires)
Shape	according to your requires
Bandwidth	according to your requires
Clear aperture	>= 90%central of the diameter
Wavelength	according to your requires
Coating	Uncoated (according to your requires)
Surface reflectance	30% (per one surface)

    Main Products             company introduction Shanghai Hengxiang Optical Electronics Co.,Ltd, located on Shanghai, an international city of China, set up in 2001, is a professional manufacturing high-tech corporation, providesresearch and manufacturing ,entity integrating optical,mechanical and electronic design. Now we have finished primary pipelining of encoder manufacture.      "HengXiang" brand encoder, has ISO9001:2000 Quality Management System Certificate and CE Certification, moreover, we have own invention patents five and utility model patents five, also passed Shanghai New and High-tech AchievementsTransformation Project.        Our target: Meeting Client's Requirement,Creating Social value,serving clients attentively and Achieving win-win.        Sincerely welcome all customers to visit our company, to review and custom "HengXiang" brand products .     Product Description A band-pass filter (also spelled bandpass) is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range. Optical band-pass filters are common in photography and theatre lighting work. These filters take the form of a transparent coloured film or sheet.   Applications Bandpass filters are widely used in wireless transmitters and receivers. The main function of such a filter in a transmitter is to limit the bandwidth of the output signal to the band allocated for the transmission. This prevents the transmitter from interfering with other stations. In a receiver, a bandpass filter allows signals within a selected range of frequencies to be heard or decoded, while preventing signals at unwanted frequencies from getting through. A bandpass filter also optimizes the signal-to-noise ratio and sensitivity of a receiver. In both transmitting and receiving applications, well-designed bandpass filters, having the optimum bandwidth for the mode and speed of communication being used, maximize the number of signal transmitters that can exist in a system, while minimizing the interference or competition among signals. Outside of electronics and signal processing, one example of the use of band-pass filters is in the atmospheric sciences. It is common to band-pass filter recent meteorological data with a period range of, for example, 3 to 10 days, so that only cyclones remain as fluctuations in the data fields. In astronomy, band-pass filters are used to allow only a single portion of the light spectrum into an instrument. Band-pass filters can help with finding where stars lie on the main sequence, identifying redshifts, and many other applications.   Contact Shanghai Hengxiang Optical Electronics Co,ltd Kuma Feng
Mobile:+86-15956966023
Tel:+86-21-54613487-8019 Wechat: Kumafeng1128 Whatsapp: +8615956966023 Skype: Kuma Feng 1128 Facebook:
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Product Categories : Opitcal Filters