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■Continuously variable density over 270° ■Spectrally flat from 400 to 700 nm ■Unmounted type and mounted type ■Three types of unmounted type available by diameter *You can download the catalog from Edmund Optics Japan that features this product below.
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basic information
This is a variable density filter (reflective type) that continuously changes optical density in a clockwise direction. The attenuation rate (transmittance) is constant across wavelengths from 0.4 to 0.7 μm. It is ideal for applications such as light attenuation and light adjustment in spectrometers and lasers. Edmund Optics offers a total of 12 types of filters categorized by filter diameter and optical density range (unmounted type). Additionally, a mounted type is available for the 50mm diameter filter. The mounted type consists of a specially designed aluminum holder and an assembly with a rotating density filter, featuring a scale around the outer frame of the holder (in 5° increments), making it effective for applications requiring positional reproducibility of the filter. It includes an indicator and a mount post measuring 12.7 x 101.6mmL. For the product lineup, specifications, and sales prices of standard products, please refer to the relevant product page on the official website of Edmund Optics Japan (accessible via the product homepage link above). *You can download the catalog from Edmund Optics Japan that includes this product from the link below.
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Applications/Examples of results
Edmund Optics (EO) is a leading company in optical components, imaging, and photonics technology. It supports markets worldwide, including R&D, electronics, semiconductors, pharmaceuticals, and biomedical fields. EO's products are used in a wide range of applications, from DNA analysis to retinal-based personal identification and high-speed FA applications. With the integration of EO's latest manufacturing capabilities and global logistics network, it is recognized in the market as the No. 1 supplier of optical components available for stock sale. Customers in Japan are served by the local subsidiary, Edmund Optics Japan Co., Ltd.
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Company information
Edmund Optics is a photonics and imaging company that has been manufacturing and supplying precision optical components and subassemblies to industries worldwide since its founding in 1942. In addition to the design and manufacture of a wide range of optical components, imaging systems, and optomechanical devices, Edmund Optics also supports OEM applications through the mass production of both stock items and custom products.