Three-band pass filter,optical bandpass filter
Three-band pass filter refers to the filter with three discontinuous bands of high permeability, such as 430nm, 505nm, 600nm near wavelength transmission, and other bands cut-off filter, as shown in the following figure.
Product features: high temperature evaporation coating process, ion source auxiliary coating technology, hard film plating, film firmness is good.
Applications: Optical applications, 3D glasses, projection, astronomical observation, biomedical, fluorescence analysis, laser applications, etc.
Basic parameters are as follows:
Material: K9/ quartz
Transmission wavelength: as required
Transmittance: Tave> 85%
Average cutoff depth: OD2
Surface quality: 60/40
Shape: can be made round, square, shaped
Packing: vacuum packing
Our company can design and develop the filter according to the type of light source. With the support of many old and new customers, Huaxusheng optoelectronics keeps innovating on all kinds of filters and launches more high-quality products in line with market demand.
We offer more transportation options
FAQ
Q: What are your main products?
A: Optical lens,mirrors,windows,filters,prisms
Q: How long is your delivery time?
A: In general delivery time is about one month for custom produced optics.except stock ones or some special optics.
Q: Do you provide samples ? is it free or extra ?
A: We can provide free samples if we have stock optics as your request,while custom produced samples are not free.
Q:What is your MOQ ?
MOQ is 10pcs for most of the optics, while MOQ could be only one piece if you need a element in big dimention.
Q: What is your terms of payment ?
T/T,L/C,VISA,Paypal,Alipay or Negotiation.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.