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Custom High Damage Threshold Dichroic Mirror, ...
UNI Optics
https://www.uni-optics.com › high-damage-threshold-dic...
UNI Optics
https://www.uni-optics.com › high-damage-threshold-dic...
The dichroic mirror is a mirror with significantly different reflection or transmission properties at two different wavelengths, it's characterized by ...Read more
AI Overview
High-damage-threshold (HDT) dichroic films are specialized thin-film optical coatings designed to withstand intense laser radiation (typically
pulsed, 5 MW/cm
CW) by using dielectric materials on fused silica or BK7 glass. These coatings reflect specific wavelengths while transmitting others, featuring high damage resistance (>6 J/cm
at 248 nm) and are often produced via ion-beam sputtering (IBS) to minimize defects and absorption.
Key Aspects of High-Damage-Threshold Dichroic Films
- Performance Metrics: These filters maintain high damage thresholds, with some reaching up to . They are designed for high-fluence laser applications, including harmonic beamsplitters at 1064 nm and 532 nm, typically handling up to 5 J/cmfor 0.1–100 nsec pulses.
- Production Techniques: Ion-beam sputtering (IBS) is commonly used to produce fully densified films with minimal defects, enhancing durability.
- Materials: Coatings are applied to high-quality substrates like UV-grade fused silica or N-BK7 glass, which are chosen for their intrinsic material strength.
- Applications: They are essential in high-power laser systems for beam splitting, harmonic separation, and spectral filtering.
Common Specifications
- Typical Thresholds: $\sim^2^2$ (CW).
- Substrates: UV-grade fused silica for high UV performance.
- Functions: Dichroic mirrors and filters, often used in high-order harmonics sources.
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High Contrast and High Damage threshold EUV/Visible ...
NTT Advanced Technology Corporation
https://keytech.ntt-at.com › WP_DichroicMirror
NTT Advanced Technology Corporation
https://keytech.ntt-at.com › WP_DichroicMirror
PDF
Abstracts: A high-contrast EUV/visible dichroic mirror has been developed for beam separating and combining of high-order harmonics light and its pump-beam.Read more
High-Damage-Threshold Dichroic Film - Fuzhou MT Optics,Inc.
mt-optics.net
https://www.mt-optics.net › tag › high-damage-threshold...
mt-optics.net
https://www.mt-optics.net › tag › high-damage-threshold...
Engineered via precision deposition, it enables high-contrast spectral separation with minimal loss. Ideal for laser systems, medical imaging, and display ...Read more
Dichroic Polarizer
Shanghai Optics
https://www.shanghai-optics.com › ... › Beamsplitters
Shanghai Optics
https://www.shanghai-optics.com › ... › Beamsplitters
These glass polarizers have a much higher damage threshold than their plastic counterparts, and are suitable for precision applications. ... High contrast glass ...Read more
High laser damaged threshold dichroic mirrors for ...
Optics.org
https://optics.org › products
Optics.org
https://optics.org › products
Dec 5, 2014 — Laser dichroic mirrors must have defect free surfaces and high damage threshold coatings. They are designed and manufactured for a specific ...Read more
Design and fabrication of high-performance dichroic ...
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
by J Jiang2026 — These mirrors require high-reflectivity at 1064 nm, high-transmittance in the 3.6–4.2 range, and a high-laser-induced damage threshold (LIDT).Read more
Dichroic Filters - Avantier Inc.
Avantier
https://avantierinc.com › Solutions › Custom Optics
Avantier
https://avantierinc.com › Solutions › Custom Optics
Additionally, our dichroic filters are designed to withstand high power optical systems with a high laser damage threshold, making them ideal for demanding ...Read more
Laser-damage thresholds of thin-film optical coatings at 248 nm
UNT Digital Library
https://digital.library.unt.edu › ark: › metadc1064811
UNT Digital Library
https://digital.library.unt.edu › ark: › metadc1064811
Jan 13, 2026 — The majority of samples tested were high reflectors and antireflective coatings. The highest damage thresholds were 8.5 to 9.4 J/cm/sup 2/, ...Read more
Thin-Film Deposition for High-Performance Dichroic Filters
Cevians
https://www.cevians.com › Blog
Cevians
https://www.cevians.com › Blog
Dec 4, 2025 — Dichroic filters, also known as interference filters, play a critical role in optical systems requiring precise wavelength discrimination, ...Read more
Dichroic Mirrors Explained: A Comprehensive Guide
FindLight
https://www.findlight.net › blog › dichroic-mirrors-expla...
FindLight
https://www.findlight.net › blog › dichroic-mirrors-expla...
Nov 22, 2023 — Their high damage thresholds and precise reflection/transmission properties make them ideal for these high-intensity applications. Spectroscopy: ...Read more