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Optical Filters 580nm Optical Glass Coated Magnetron ...

Magnetron sputtering is a key advanced technique for creating high-performance notch filters, which block specific wavelengths while passing others, used in spectral detection, imaging, and lasers. This method creates durable, hard-coated filters with sharp edges, high transmission, deep blocking (high Optical Density), and excellent environmental stability, making them ideal for demanding applications like Raman spectroscopy, bio-photonics, and remote sensing, offering superior performance over traditional methods.

Vacuum Environment: The process occurs in a vacuum chamber with carefully controlled gases.
Target Sputtering: A strong negative charge and magnets create a plasma that bombards a target material (like metal).
Deposition: Atoms from the target are dislodged (sputtered) and deposited as thin, dense layers onto the optical substrate (glass, silica).
Oxidation: Reactive sputtering uses oxygen ions to oxidize these metal layers into hard metal oxides (e.g., TiO2, SiO2).
Layer Stacking: Multiple layers are precisely built up to achieve the desired spectral performance, often involving complex designs like gradient index (GRIN) or apodized structures.

Superior Performance: Very steep cut-off, deep blocking (high OD), high transmission in passbands.
Durability: Hard, dense coatings resistant to moisture, temperature shifts, and scratching (MIL-SPEC compliant).
Consistency: High uniformity across the filter surface and stable performance over time.
Versatility: Applicable to various substrates (glass, sapphire) and complex designs for single or multiple notches.

Design and Fabrication of Multi‐Notch Filter with High Transmittance ...
Jul 4, 2023 — These coatings are produced by ion-beam-assisted reactive magnetron sputtering deposition technology with a high deposi...
researching.cn
Optical magnetron sputtering coating equipment - Auxcera
Magnetron sputtering (MS) is a process that uses magnetron plasma to sputter a metal layer onto a substrate and then uses oxygen i...
Auxcera
Magnetron Sputtering extends range of Interference filter - SCHOTT
With the customized sputtering tool different dielectric and metal coat- ing materials can be applied without the need to open the...
www.schott.com

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Notch Filter | SIMTRUM Photonics Store

Simtrum

https://www.simtrum.com › WebShop › ProductList5

Simtrum

https://www.simtrum.com › WebShop › ProductList5

Notch Filter magnetron sputtering process yields high-quality notch filters and mirrors for lasers, with ultra-wide range and high durability.

Videos

John Atkinson and Jeff Carmichael - Sputtering of Optical ...

YouTube Chroma Technology Corp.

Jul 22, 2020

TF-FAB: how magnetron sputtering redefines thin film coatings

YouTube Science Animated

Oct 31, 2025

Architectural glass: The Magnetron Sputter coating process

YouTube Guardian Industries

Oct 19, 2022

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Scholarly articles for Magnetron sputtering coated notch filters
… coatings produced with PIAD and magnetron sputtering - ‎Scherer - Cited by 31 … filter based on magnetron sputtering: Direct coating on … - ‎Biethan - Cited by 3 Magnetron sputter‐deposition on atom layer scale - ‎Scherer - Cited by 25

High performance Notch Filter Coatings produced with ...

SPIE Digital Library

https://www.spiedigitallibrary.org › 12.797699.pdf

SPIE Digital Library

https://www.spiedigitallibrary.org › 12.797699.pdf

by M Scherer2008Cited by 31 — The most challenging filters were demonstrated with magnetron sputtering and monochromatic optical monitoring. Some outstanding results of single and multiple ...Read more

ET/Sputtered Series

Chroma Technology Corp

https://www.chroma.com › support › about-fluorescence

Chroma Technology Corp

https://www.chroma.com › support › about-fluorescence

Chroma Technology Corp. is pleased to offer high-throughput Modified Magnetron sputter-coated filter sets (the ET Series).Read more

Precision optical filters - Solution by FHR

FHR Anlagenbau GmbH

https://www.fhr.biz › project-cases › projects › optical-...

FHR Anlagenbau GmbH

https://www.fhr.biz › project-cases › projects › optical-...

Magnetron Sputtering. Strong magnetic fields enable uniform and high-quality coating formation.Read more

Magnetron sputtering coated notch filters

wts photonics co.,ltd

https://www.wts-photonics.com › tag › magnetron-sputt...

wts photonics co.,ltd

https://www.wts-photonics.com › tag › magnetron-sputt...

Notch filters are widely used in optical components in the fields of spectral detection and fluorescence imaging because of a special optical thin film ...Read more

(PDF) High performance Notch Filter Coatings produced ...

ResearchGate

https://www.researchgate.net › publication › 23853885...

ResearchGate

https://www.researchgate.net › publication › 23853885...

Aug 9, 2025 — The most challenging filters were demonstrated with magnetron sputtering and monochromatic optical monitoring. Some outstanding results of ...Read more

Ion-Beam-Sputtered Thin-film Filters for Nonlinear Optical ...

IDEX Health & Science

https://www.idex-hs.com › nonlinear-imaging-ibs-filters

IDEX Health & Science

https://www.idex-hs.com › nonlinear-imaging-ibs-filters

In this white paper, Semrock discusses various important characteristics of hard-coated thin-film interference filters for NLO imaging applications.

R&D Magnetron Sputtering Sources Overview

Kurt J. Lesker

https://www.lesker.com › newweb › technotes_sputtering

Kurt J. Lesker

https://www.lesker.com › newweb › technotes_sputtering

Band-pass and notch filters, superlattices, rugates; Hardcoats for printheads, machine tools, turbine blades; Anti-corrosive coats for nuclear fuel rods ...Read more

What is Ion Beam Sputtering (IBS) coating process?

Notch Optics

https://notchoptics.com › what-is-ion-beam-sputtering-i...