Precision ultraviolet fused quartz right-angle prism

Ultraviolet grade fused quartz is a synthetic amorphous silicon dioxide with high purity, which can provide a high transmittance of 195 to 2100 nm. This colorless amorphous quartz glass has both extremely low thermal expansion coefficient and good optical properties, and has excellent transmittance in the ultraviolet region. The transmittance and uniformity are higher than that of crystal quartz, and there are no problems of orientation and temperature instability inherent in crystal morphology. It does not fluoresce under ultraviolet light and is resistant to radiation. For high energy applications, the extremely high purity of fused quartz can eliminate micro-defects that may cause laser damage

Through total internal reflection (TIR), a right-angle prism can be used as a 90 ° reflector or a 180 ° hollow reflector. In addition to the reflection loss of the incident and outgoing surfaces, TIR achieves 100% reflectivity based on a very wide wavelength range. If the incident angle exceeds the acceptable range of TIR, or if the environment does not allow the reflective surface to be kept clean, the reflective surface shall be coated with protective aluminum according to the requirements of TIR. Beveled edges can also be used as surface mirrors. In this case, the topcoat with black paint removed shall be used.

Ultraviolet fused quartz right-angle prism

Our precision prism is polished to meet the strict tolerance requirements and can minimize the wavefront distortion. Due to the strict surface quality tolerance, scattering and unnecessary diffraction effects are reduced to a relatively low level. The surface quality of these right-angle prisms is high, and the scratch parameter is 20-10

Our AR.14 broadband multilayer antireflective coating greatly improves the transmittance of these lenses by reducing surface reflection in the wavelength range of 430-700 nm. This antireflective coating can be effectively used for multiple visible wavelengths and tunable lasers without using multiple sets of optical elements.

We offer two multilayer antireflective coating options for infrared and near-infrared applications. Our AR.16 coating is recommended for near-infrared applications in the range of 650-1000 nm. Our AR.18 coating is suitable for infrared applications in the range of 1000-1550 nm.

Our AR.33 laser line V coating can provide low reflectivity at 1064 nm, thus achieving large transmission, while maintaining high durability and high damage resistance. The beneficial laser energy can effectively pass through the planoconvex lens without causing surface reflection and scattering loss. However, the superior performance only supports a small laser line wavelength range.

ABOUT BORISUN

Hanzhong Brisun Optics Co., Ltd. Is the high precision optical element manufacturer provides customized production of Various optical lenses, including spherical lens, cylindrical lens, optical window, mirror, prism, filter, metal base mirror and other high-precision optical elements. The base materials include various optical glass, fused quartz, calcium fluoride (CaF2), zinc selenide (ZnSe), germanium (GE), silicon (SI), sapphire, metal and other materials. And provide antireflective film, high reflection film, spectroscopic film, metal film and other optical coatings.

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