What are the applications of hot mirrors?
Camera sensor protection: blocks IR light to ensure accurate color reproduction (often paired with an IR-cut filter).
Laser systems: split the visible and infrared portions of laser beams.
Solar simulators: filters non-visible wavelengths to replicate the sunlight spectrum.
What are the properties of hot mirrors?
Reducing Heat
Reflects >90% @NIR and IR
Transmits >85% @VIS
AOI: 0° or 45°
What kinds of material does Yutai Optics use as substrates for hot mirrors?
In general, Yutai Optics recommends borofloat glass, BK7(K9) or fused silica as the substrate for hot mirrors.
What are the applications of cold mirrors?
Entertainment lighting: Reduce the heat accumulation of stage or photography lighting to prevent the equipment from overheating.
Projection system protection: Prevent infrared rays from damaging the liquid crystal panel or DMD chip.
Microscopy illumination optimization: Reduce the risk of thermal damage to the samples.
What are the properties of cold mirrors?
Reflects@400 - 690nm
Transmit@750 - 1200nm
AOI: 0°or 45°
What is the size range of the cold & hot mirrors from Yutai Optics?
Max:200*200mm
Min:3*3mm
Please contact our service staff if you need larger or smaller cold& hot mirrors
If you are interested in our products, please feel free to contact us!


It is also available to supply the coating wavelength curve, such as AR coating,BBR coating,filter coating and so on.

Changchun Yutai Optics Co.,Ltd. is a manufacturer with ISO9001 certification. We are specialized in high-performance optical components
include lens, mirrors, filters, windows and prisms which are specified by customers. Yutai's items are widely used in imaging, defense, medical,
laser and industry market. As a fast-growing supplier in Optics, Yutai Optics has quickly established itself as a leader in optical components with advanced technology and quality control ability as Yutai aims to provide professional service and good quality items to meet customers' request.
Yutai already established long-term relation with many powerful companies all over the world.



- Q: What are your main products?
- A: Optical lens,mirrors,windows,filters,prisms
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- 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.
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- 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.
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- 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.
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- Q: What is your terms of payment ?
- T/T,L/C,VISA,Paypal,Alipay or Negotiation.