Dome

Sapphire Dome, Ge Dome, ZnS Dome, ZnSe Dome, Glass dome, hemisphere dome

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At Hyperion Optics, we have strict control of wall thickness variation spec by utilizing most reliable deterministic CNC machine tools, we grind and polish optical glass, fused silica and zinc sulfide for applications range from visible to infrared.

Glass domes are widely used for commercial applications which require protective boundary between different environments; domes perform as windows, providing protection to electronic sensors or detectors without sacrificing field of view.

Composed of two parallel optical surfaces, domes have no optical effect on design optical path. In lead element in an optical system, a dome is exposed to the environment, N-BK7 is good choice for visible to near infrared lead applications, which will withstand wind and rain erosion.

Typically in single-use defense applications and ocean exploration. Shapes can vary from hemispheric to custom size with coatings.

At Hyperion Optics, we have strict control of wall thickness variation spec by utilizing most reliable deterministic CNC machine tools, we grind and polish optical glass, fused silica and zinc sulfide for applications range from visible to infrared.

Optical Dome Manufacturing Capbility

Substrate

UV material: (fused silica JGS1, Coning , Borosilicate glass)

Visible material: Optical glass (Schott N-BK7, N-BK10, WG295,N-K5,etc.)

IR material: (Fused Silica JGS3, Sapphire, Silicon, ZnSe, etc.)

Dimension

10mm-350mm

Thickness

1mm-10mm

Surface Quality

60/40, 40/20, 20/10

Surface fringe

10(5)-3(0.5)

Coating

Antireflection (AR) Coating

Strenthened via heat treatment (tempering)

If you want to learn more, please visit our website Glass Hemisphere Dome factory.

Ecoptik Optical Dome Features and Advantages

Two surfaces that are almost perfectly parallel

1.To ensure that the two surfaces are absolutely parallel, the eccentricity tolerance and radius of curvature tolerance must be very well controlled.

2.The current DOME parallel tolerance of ECOPTIK is < <±2μm.

High precision surface accuracy ensures  imaging without distortion

1. Although limited by the spherical shape, the overall surface fringe cannot be measured at present, ECOPTIK tries its best to improve each local surface fringe within the detectable range.

2. At present, the ECOPTIK dome local surface accuracy can reach λ/10

Unique hype-hemispheric processing  capability

1. The super-hemisphere is the part of the height beyond the spherical core, and ECOPTIK has a practical patent for the process.

2. The maximum range can exceed the radius by 3mm.

Optical Dome Applications

In the optical field, the application of an optical dome lens is mainly divided into two categories, one is military manufacturing and the other is ordinary optical systems.

• Military manufacturing mainly refers to the infrared dome, mainly ZnSe and sapphire materials.

• An optical system, mainly used for imaging and detection measurement system. It is mainly used for deep-sea imaging in imaging. The glass material can withstand sufficient water pressure and does not deform due to the acrylic material. Furthermore, the light transmittance of glass, the bubbles and stripes of the material itself, and the smoothness and hardness of the surface of the material itself make more deep-sea exploration keen to choose the glass material dome. Also used for atmospheric detection, pyranometer. The two almost parallel surfaces prevent the light from being significantly refracted when passing through the component, thereby ensuring that energy is not lost and improving the accuracy of the measurement.

• Meteorological monitoring: A device that collects sunlight in a total solar radiometer. The nearly absolute parallel design makes no refraction loss of light, perfect record of the radiation data of sunlight.

• Observation to space: Dome in all-sky camera is designed to provide high quality sky images for weather and meteor observations. The purpose of these systems is to carry out All of Full Sky (180°x180°) surveillance of the night or day sky, and in a continuous fashion. It is possible to assess, in real time, the night sky quality, and to record fast phenomena (meteors and fireballs) or slower (satellites, rockets, noctilucent clouds, zodiacal light, aurora, airglow ....).

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