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Laser-Line Mirrors

Reference: ATF-MI1000-FY

The Laser-Line Mirrors of Advanced Thin Films provide superior film quality and uniformity results in environmentally stable optics with laser damage thresholds exceeding 40 J/cm2 at 1064 nm

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Laser-Line Mirrors
The Laser-Line Mirrors of Advanced Thin Films provide superior film quality and uniformity results in environmentally stable optics with laser damage thresholds exceeding 40 J/cm2 at 1064 nm
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Alexandre Besson
Business Unit Director
+33 5 57 10 92 84
a.besson@laser2000.fr

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Product description

Advanced Thin Films offers superior quality laser optics at a great value. We use only ion-beam-sputtered IBS coatings because IBS coatings are significantly more dense, durable, and rugged than conventional e-beam or ion-assisted evaporated coatings. Compared to other coatings, IBS coatings also offer lower scatter and absorption losses and fewer pin-hole defects in the coated surface.
This superior film quality and uniformity results in environmentally stable optics with laser damage thresholds exceeding 40 J/cm, wherein the high-energy laser mirrors more than 70 J/cm2 at 1064 nm and 20 ns.

Mirror coatings are available on flat or curved substrates and, because we use all-dielectric designs, they can handle the high laser powers of both CW and pulsed systems.

High-Energy Laser-Line Mirrors for 0° incidence

Model Number	MI 1000-FY	MI 1000-DY	MI 1000-TY	MI1000-QY
Type	High-Energy Nd: YAG Mirrors	High-Energy Doubled Nd: YAG Mirrors	High-Energy Tripled Nd: YAG Mirrors	High-Energy Quadrupled Nd: YAG Mirrors
Wavelength (nm)	1064	532	355	266
Revlectivity	99.9% at 0°	99.9% at 0°	99.9% at 0°	99.9% at 0°
Clear Aperture (%)	85	85	85	85
Surface Figure	?/10	?/10	?/10	?/10
Surface Quality	10/5	10/5	10/5	10/5
Damage Threshold	40J/cm² @ 1064nm 20ns, 20Hz	8J/cm² @ 532nm 10ns, 20Hz	3J/cm² @ 355nm 10ns, 20Hz	2J/cm² @ 266nm 7ns, 20Hz
Durability	MIL-PRF-13830B	MIL-PRF-13830B	MIL-PRF-13830B	MIL-PRF-13830B
Diameter	1 " +0/-0.010"	1 " +0/-0.010"	1 " +0/-0.010"	1 " +0/-0.010"
Thickness	1/4" ±0.010"	1/4" ±0.010"	1/4" ±0.010"	1/4" ±0.010"
Substrate Material	Fused Silica	Fused Silica	Fused Silica	Fused Silica

High-Energy Laser-Line Mirrors for 45° incidence

Model Number	MI 1045-FY	MI 1045-DY	MI 1045-TY	MI1045-QY
Type	High-Energy Nd: YAG Mirrors	High-Energy Doubled Nd: YAG Mirrors	High-Energy Tripled Nd: YAG Mirrors	High-Energy Quadrupled Nd: YAG Mirrors
Wavelength (nm)	1064	532	355	266
Reflectivity	99.9% at 45° (both s & p)	99.9% at 45° (both s & p)	99.9% at 45° (both s & p)	99.9% at 45° (both s & p)
Clear Aperture (%)	85	85	85	85
Surface Figure	?/10	?/10	?/10	?/10
Surface Quality	10/5	10/5	10/5	10/5
Damage Threshold	40J/cm² @ 1064nm 20ns, 20Hz	8J/cm² @ 532nm 10ns, 20Hz	3J/cm² @ 355nm 10ns, 20Hz	2J/cm² @ 266nm 7ns, 20Hz
Durability	MIL-PRF-13830B	MIL-PRF-13830B	MIL-PRF-13830B	MIL-PRF-13830B
Diameter	1 " +0/-0.010"	1 " +0/-0.010"	1 " +0/-0.010"	1 " +0/-0.010"
Thickness	1/4" ±0.010"	1/4" ±0.010"	1/4" ±0.010"	1/4" ±0.010"
Substrate Material	Fused Silica	Fused Silica	Fused Silica	Fused Silica

Why Dielectric instead of Metal?

Metal mirrors have long been the standard for general-purpose high reflectors, but they have several significant limitations which make them a poor fit for many of todays laser applications. Although inexpensive upfront, drawbacks of metal mirrors include susceptibility to both laser damage and mechanical abrasions, tarnishing or surface degradation, and poor adhesion. In contrast, the increased reflectivity and durability of all-dielectric coatings can result in improved performance and cost savings over the lifetime of an optic or optical system.

The broadband dielectric IBS coatings cover wide wavelength ranges from the UV to NIR with > 99% reflectivity, independent of both angle and polarization. In addition, they are easy to clean, scratch resistant and insensitive to environmental changes. With high damage thresholds and low scatter and absorption coefficients, they are ideal for frequency doubled and tripled Nd:YAG lasers, fiber lasers and broadband or tunable laser applications.

Downloads - Laser-Line Mirrors

Catalogue_Optics_and_Coatings

Catalogue Advanced Thin Films Premium Laser Optics and Coatings

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MI1000_FY_HR_1064nm_AOI.pdf

Data sheet ATF MI1000 FY HR

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Laser-Line Mirrors

Reference: ATF-MI1000-FY

Downloads - Laser-Line Mirrors

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