Hot pressed MgF₂ domes – high durability, excellent UV to IR transmission, ideal for IR missile domes, aerospace sensors, and harsh environment optics. (read more)

The light pipe prism is an optical component used for guiding and distributing light, typically made of transparent materials such as glass, acrylic, or polycarbonate. (read more)

Longpass Filters, also known as Longpass Edge Filters, are designed to transmit wavelengths greater than the cut-on wavelength of the filter. (read more)

Optical domes are lenses with two concentric spherical surfaces. Sometimes they are being referred to as bent plan parallel plates. (read more)

BK7 is the most commonly used optical glass, and BK7 domes are a popular optical protection element suitable for protecting internal optics or sensors while providing good optical performance. (read more)

Lithium fluoride is a tetragonal crystal system, the crystal growth can be single polycrystalline blocks or directional growth of single crystals.

Polycrystalline lithium fluoride is mostly used as protective windows; monocrystalline lithium fluoride is suitable for lenses, prisms and observation windows. (read more)

A fused silica dove prism is an optical prism made of fused silica, a variant of the dove prism. (read more)

Retroreflectors(Corner Cube Prisms) are trihedral prisms manufactured from a solid piece of N-BK7 glass/UVFS. We offer retroreflectors as well as versions with antireflection (AR) coatings . They have uncoated reflective faces and rely on total internal reflection (TIR) (read more)

Laser Crystals have high parallelism and monochrome laser, they can inverse the outside energy though the optical resonant cavity, laser crystals become the most important role in crystal laser’s working process. (read more)

Bandpass Filters are used to selectively transmit a portion of the spectrum while rejecting all other wavelengths. Yutai Optics offers a wide variety of Bandpass Filters in a range of bandwidth options for ultraviolet (UV), visible (VIS), or infrared (IR) applications. (read more)

Optical Plano Silicon Windows made of single crystal silicon, precision double-side polished, high transmittance in mid-infrared. Custom size and AR coating available for IR imaging & infrared detection (read more)

A ZnSe focus lens is an optical element used in infrared optical systems to focus, collimate or reflect infrared light. ZnSe is widely used in the mid-infrared and far-infrared wavelengths (2-20 microns) due to its excellent light transmission and mechanical properties. (read more)

Different IR filters from Yutai Optics: a. optical glass with infrared coating. b. some color glass play an IR filter itself. c. Si, Ge, ZnSe, Sapphire, CaF2, quartz glass with infrared coating. (read more)

Roof prism is a type of optical prism commonly used in binoculars, microscopes, and other optical instruments to adjust the direction of the light path and maintain image consistency from side to side by reflecting and refracting light rays. (read more)

Fused silica right angle prisms are made of high purity fused silica with excellent optical performance and environmental stability for UV, VIS and NIR wavelengths, especially suitable for laser systems, high precision optics and harsh environments. (read more)

Optical lens assembly design requires the comprehensive application of multi-disciplinary knowledge of optics, mechanics, materials, through rational design and strict process control, in order to manufacture high-performance, high-reliability lenses. (read more)

IR Windows are ideal for use in FTIR spectroscopy, in addition to thermal imaging, FLIR, or medical systems. (read more)

Fused silica has good transmission in the ultraviolet (UV), visible (VIS), and near-infrared (NIR) wavelengths, and especially excels in the deep ultraviolet (DUV) wavelengths. (read more)

CTO coating means conductive transparent oxide coating. (read more)

The fused silica porro prism, manufactured from fused silica material, serves as a critical 180° optical path turning component in high-end optical systems. It features ultra-broadband spectral transmission, near-zero thermal expansion, and exceptionally high laser-induced damage threshold characteristics. (read more)

What's the material of Yutai's Plano Convex(PCX) Lenses? * Optical glass with different Refractive Index from 1.47 to 2.0 ; * Fused silica for both UV and IR wavelength series ; * Sapphire for VIS to MIR wavelength; * Infrared Grade material for NIR, MIR & LWIR. (read more)

In high-end applications such as optical inspection, fluorescence analysis, and laser measurements, ambient stray light or band-specific interferences often result in signal distortions that affect data accuracy. Our Notch Filters provide efficient band suppression solutions with superior optical performance, ensuring signal purity and system reliability. (read more)

Fused silica rod lenses are processed from high purity fused silica material and have excellent optical properties. The shape is cylindrical and the length is usually larger than the diameter. (read more)

Dielectric Mirror, also known as Dielectric HR Mirror or Distributed Bragg Reflector, is an optical element that utilizes the interference effect of a multilayer dielectric coating to achieve high reflectivity. (read more)

Steps increase mechanical strength and reduce the risk of window deformation in high pressure or vibration environments. Suitable for high mechanical stress scenarios such as aerospace and on-board optical systems. (read more)

Single Crystal Sapphire's optical, electrical, chemical resistance, high thermal conductivity, and mechanical properties make it a superior choice over quartz, alumina and other ceramic materials for hundreds of applications ranging from optical sapphire windows for aerospace sensor systems. (read more)

A longpass infrared filter is an optical element that allows infrared light with wavelengths greater than a specific cut-off wavelength to pass through while blocking shorter wavelengths (such as visible or near-infrared light). (read more)

The fused silica rhomboid prism is made of fused silica material, featuring ultra-high purity, low thermal expansion, and broad-spectrum transmission characteristics. It is suitable for demanding optical environments ranging from ultraviolet to visible and infrared wavelengths. (read more)

High transmittance: fused silica has high transmittance in the UV to NIR waveband (0.2-2.5μm), suitable for broad spectrum applications. (read more)

A hydrophobic definition means “tending to repel or fail to mix with water.” Coatings that offer a hydrophobic (EU) or superhydrophobic surface can impart multiple advantages to the coating surface and substrate they are applied to. (read more)

Triplet achromatic lenses offer excellent performance in chromatic and aberration correction and are suitable for high precision optical systems, but have higher cost, weight and assembly complexity. (read more)

Fused silica is a high performance optical material with ultra-broad spectral transmission, low thermal expansion, and high laser damage threshold for ultraviolet (UV), visible (VIS), and infrared (IR) spectroscopy systems. (read more)

In infrared optical systems, filters play a critical role in precisely controlling the passage of light at specific wavelengths to optimize imaging quality or signal detection. (read more)

BK7 and K9 are two common optical glass materials, widely used in lenses, prisms, windows and other optical components. Yutai Optics chooses K9 as an alternative material to BK7. (read more)

AF (Anti Fingerprint Coating) has become one of the most inquired and demanded coatings on various materials finishes because it enhances the surface hardness. Sometimes it is also called AS(Anti-Smudge) coating. (read more)

Fresnel Lens is a specially designed optical lens that focuses or diverts light by breaking down the curved surface of a conventional lens into a series of small concentric rings of prisms. (read more)

What are aspheric lenses?
An aspheric lens is an optical lens whose surface is not spherical but has a more complex curved shape. Compared to conventional spherical lenses, aspheric lenses are designed to better correct aberrations in an optical system, thereby improving image quality.
What are the characteristics of aspheric lenses?
Aspheric surface: its sur... (read more)

An infrared cut-off filter (IR Cut Filter) is an optical element that is mainly used to block infrared light (wavelength usually greater than 700nm) and allow visible light (about 400-700nm) to pass through. It is widely used in modern imaging systems, especially in digital cameras, smartphone cameras, security surveillance and other areas of critical importance. (read more)

An absorptive neutral density filter (ND Filter) is an optical element that uniformly reduces the intensity of light by absorbing light of a specific wavelength. It does not significantly change the color of light (i.e., remains “neutral”) and is widely used in photography, laser systems, spectral analysis, and other applications. (read more)

UV bandpass filters from Yutai Optics are optical elements for the ultraviolet wavelength range (typically 100-400nm) that allow only light in a specific ultraviolet wavelength range to pass through while blocking other wavelengths (such as visible and infrared light). (read more)

A hot mirror is a coated mirror that reflects infrared light (heat) and transmits visible light. It belongs to the category of shortpass filters. (read more)

Plano metallic mirrors are a common optical component used in a wide range of applications such as laser systems, optical instruments, spectral analysis and industrial processing. The core of the process is to coat a plano glass substrate (e.g. B270, D263T, fused silica, etc.) with a metallic reflective coating to achieve high reflectivity. (read more)

The nd data of H-K9L is 1.5168,vd data is 64.20. H-K9L is the alternative for N-BK7.H-K9L(N-BK7) is a RoHS-compliant borosilicate crown glass. It provides excellent transmission in the visible and near infrared portions of the spectrum(350 nm - 2.0 µm). (read more)

An achromatic lens is a lens that is designed to limit the effects of chromatic and spherical aberration,and is corrected to bring two wavelengths (typically red and blue) into focus on the same plane.The most common type of achromat is the achromatic doublet, the commonly used materials are composed of flint glass and crown glass. (read more)

Borosilicate 3.3 (PZ33) is the alternative for borofloat 33(BF33).The content of borosilicate : boron: 12.5 ～ 13.5%, silicon: 78 ～ 80%. Therefore, this kind of glass is called high borosilicate glass. (read more)

A fused silica retroreflector is a special optical element consisting of three mutually perpendicular reflective surfaces capable of reflecting incident light back along its original path. (read more)

UV fused silica wedge prism is an optical component specifically optimized for the ultraviolet (UV) spectrum. (read more)

H-K9L(N-BK7) is a hard glass that can withstand a variety of physical and chemical stressors. It is relatively scratch and chemical resistant. (read more)

Light is the key to exploring the unknown and driving progress. Lens, as a precision component to manipulate light, is the core to unlock this door. (read more)

This produces a left handed image and depending on the orientation of the prism, the image may be inverted or reverted. Right angle prisms can also be used in combination for image/beam displacement. (read more)