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Product Announcement

Knight Optical’s Homogenizing Rods for Fluorescence Imaging

16 May 2022

Knight Optical’s extensive portfolio of optical components comprises custom-made Homogenizing Rods, which are particularly suitable for use with Fluorescence Imaging systems – particularly within the medical industry for applications such as fluorescence illumination, microscopy and imaging. What's more, our Homogenizing Rods are also used for surgical procedures within systems that are designed to help identify which tissues have been exposed to the fluorescent indicator. 

Homogenizing Rods operate via the light source, which enters the pipe at a variety of incident angles. They are designed to utilise their total internal reflection and to channel light from the entrance to the exit. The material’s refractive index is the only factor which affects the optic’s critical angle; this defines the angle of acceptance which the total internal reflection will occur at. 

Manufactured from BK7 (or equivalent) or UV Grade Fused Silica and in a range of shapes – including tapered, hexagonal, simple squares and rectangular cross-sections – Homogenizing Rods help to distribute light within these medical devices evenly. 

Only available as custom-made optics for seamless integration with your project, our Homogenizing Rods meet a diverse range of requirements sought by a diverse range of systems. By opting for tailor-made optical components, you can specify the shape, size, optical coating and tolerances best suited to your project. 

Typical specs:

Material: UV Fused Silica, High Index Glasses, N-BK7 (or equivalent)

Shapes: Tapered and hexagonal, simple square or rectangular cross-sections

Edge chips: Less than 0.1mm

Length tolerance: +/- 0.1mm

Aperture tolerance: +/- 0.1mm

Surface quality: <60-40 Scratch/Dig

Coating: Antireflective coatings on input and exit faces

First-Class Quality 

Quality is the driving force behind Knight Optical, and to ensure you profit from high-precision optics, we take the utmost care to ensure every component accurately meets your specifications. Offering unparalleled service, Knight Optical undertakes a full inspection of your optics from our ISO 9001:2015-certified, state-of-the-art Metrology Laboratory, followed by a meticulous visual examination by our dedicated QA department. 

To discover how we can enhance your supply chain experience and to learn more about our custom-made Homogenizing Rods, contact a member of our technical sales team today. 

UK, Europe, Asia & RoW: E-mail info@knightoptical.co.uk 

Tel +44 (0)1622 859444

USA & Canada: E-mail usasales@knightoptical.com 

Tel +001 401-583-7846 

Knight Optical Ltd
Roebuck Business Park
ME17 1AB
United Kingdom
Tel: 44 (0)1622 859444
Fax: 44 (0)1622 859 555
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