EIKOH, Japan
EIKOH Optical Components
Made in Japan
Manufacturer: Eikoh Co., Ltd.
Optoelectronics, an advanced technology in the IT era, merges optics and electronics, significantly contributing to the highly information-oriented society. This innovative field has been drawing considerable attention for its potential and impact.
Expectations are rising for its base materials, including optical glass and optical multilayer films. We offer various glass parts and optical crystals that operate in the ultraviolet to infrared range. Additionally, we custom-make products to your specific requests.
Various lenses and prisms
Lens
Biconvex Lens: Featuring a positive focal path, it serves magnification and focusing applications.
Biconcave Lens: With a negative focal path, it finds use in projection devices and character reading devices.
Plano-convex Lens: This lens is versatile, suitable for telescopes, magnifying glasses, and light meters.
Plano-concave Lens: It functions in beam expansion and extending the focal length of lens systems.
*We also offer integrator lenses for LCD projects.
Prism
- Right Angle Prism
- The incident light bends by 90 degrees, reversing the image.
- Pentaprism
- Whatever angle the image is incident at, it will be polarized by 90 degrees.
- Dope Prism
- Rotate the image.
*PBS prisms and dichroic prisms are also available.
Quartz Cell
Quartz Cell for Spectrophotometer: Standard cells come in two-sided transmission, two-sided transmission with a curved bottom, and two-sided transmission plug types. Flow cells are available in two-sided transmission and branched types. Black cells include two-sided transmission, two-sided transmission with a curved bottom, and two-sided transmission plug types. Cylindrical cells are also offered.
Quartz Cell for Fluorescence Photometer: Standard cells are available in full transmission, full transmission stopper types, and full transmission branch types. We also stock tube cells and small fluorescent cells.
*Custom products are available to suit your needs.
Optical Crystal
We stock CaF2, MgF2, BaF2, NaCl, ZnSe, ZnS, KBr, and more.
Glass Color Filter
It has a wide range of wavelength spectral characteristics, from ultraviolet to visible and infrared regions, and is an optical component that is widely used in various office automation equipment and measuring instruments.
UV transmission/visible absorption filter
A dark filter that transmits a small amount of ultraviolet light. Its transmittance peaks at 330nm to 360nm.
UV transmission filters (some discontinued)
It blocks wavelengths below the ultraviolet range. It is classified into transmission limit wavelengths of 290, 310, 330, 350, and 370 nm.
Sharp cut filters (some discontinued)
Colorless filters that block ultraviolet light. Available in yellow, orange, and red tones, with wavelengths up to 640 nm and classified in 10 nm increments.
Cobalt Blue Filter
A dichroic blue filter with peak transmittance around 390-400 nm and 770 nm.
It is used for measuring two-wavelength ratios and as a sharp cut in combination with other filters.
Neutral Density Filter
Filters with a flat spectral transmission curve in the visible range. They are classified by average transmittance.
Used for general photography.
Infrared transmission/visible absorption filter
A dark filter that blocks most of the visible light and is used in the infrared range.
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