New TIR Prism Launched

UltraOpto New Product Launch | TIR Total Internal Reflection Prism, the Core of Coating-Free High-Transmission Optical Path Modulation

UltraOpto newly launches the TIR Total Internal Reflection Prism. Based on the core optical principle of total internal reflection, it can achieve nearly 100% efficient light reflection without the need for a reflective coating, with extremely low light loss. It can accurately perform operations such as 90°/180° beam deflection, beam splitting and combining, and polarization modulation. It is a key optical component for projection displays, laser systems, and precision imaging equipment, providing stable and high-fidelity optical path solutions for various high-precision optical systems.

The regular version of the product selects N-BK7/H-K9L optical glass. For ultraviolet scenarios, fused silica can be customized. For the infrared band, it is compatible with special crystals such as CaF₂/ZnSe/sapphire, fully covering multi-band optical needs from 350nm to 12μm. It strictly controls ultra-high processing precision, with a dimensional tolerance of ±0.15mm, an angle tolerance of <30 arcseconds for the high-precision version, a surface flatness of λ/10@633nm, and a clear aperture of >90%. The light-transmitting end face is coated with a broadband anti-reflection coating to further reduce light loss. The total reflection surface has no coating, and high-reflection dielectric coatings can also be customized as needed to adapt to special scenarios.

It adopts ultra-precision angle-fixed grinding and magnetorheological polishing processes. The combined TIR prism realizes gapless splicing through high-precision gluing, effectively suppressing stray light. Before leaving the factory, it undergoes multiple rigorous tests including surface shape, deflection accuracy, light energy utilization rate, and high-low temperature cycles. Under temperature changes from -40℃ to +85℃ and mechanical vibration environments, the optical performance does not drift, the optical path deviation is <3 arcseconds, the structure is firm, and it is suitable for long-term continuous operation.

It is widely applicable to multiple scenarios such as digital projection/laser TV, smartphone periscope cameras, medical endoscopes, lidar, and machine vision systems. It can optimize device compactness and improve display/imaging brightness and contrast. Mainstream specifications are available in stock. Band customization and combined structure design can be non-standard customized. It supports small-batch sampling with stable delivery time, empowering high-end optical applications in consumer electronics, industrial automation, medical imaging, aerospace and other fields.