Nd:YAG Laser Line HR Mirrors

Nd:YAG Laser Line (HR) Mirrors are designed for fundamental (1064 nm) or harmonic (532, 355, 266 nm) Nd:YAG laser beam steering. Custom material, size, shape and other parameters available.

Estimated Shipping Date: September 24, 2024 - October 8, 2024

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Variants
Description
Applications
Characteristics

Predefined variants of product to view, select and fill parameters or add product directly to cart.
Material	Face Size	Thickness	Reflection	AOI	Wavelength	Flatness	LIDT (10 ns, 10 Hz)	Surface Quality
UVFS	Ø25.4 mm	6 mm	>99.7%	0°	1064 nm	λ/8	>15 J/cm² @ 1064 nm	20-10 S-D
UVFS	Ø25.4 mm	6 mm	>99.7%	0°	1064 nm	λ/8	>5 J/cm² @ 1064 nm	20-10 S-D
UVFS	Ø25.4 mm	6 mm	>99.5%	45°	1064 nm	λ/8	>15 J/cm² @ 1064 nm	20-10 S-D
UVFS	Ø25.4 mm	6 mm	>99.5%	45°	1064 nm	λ/8	>5 J/cm² @ 1064 nm	20-10 S-D
UVFS	Ø25.4 mm	6 mm	>99.7%	0°	532 nm	λ/8	>15 J/cm² @ 1064 nm	20-10 S-D
UVFS	Ø25.4 mm	6 mm	>99.7%	0°	532 nm	λ/8	>5 J/cm² @ 1064 nm	20-10 S-D
UVFS	Ø25.4 mm	6 mm	>99.5%	45°	532 nm	λ/8	>15 J/cm² @ 1064 nm	20-10 S-D
UVFS	Ø25.4 mm	6 mm	>99.5%	45°	532 nm	λ/8	>5 J/cm² @ 1064 nm	20-10 S-D
UVFS	Ø25.4 mm	6 mm	>99.7%	0°	355 nm	λ/8	>15 J/cm² @ 1064 nm	20-10 S-D
UVFS	Ø25.4 mm	6 mm	>99.7%	0°	355 nm	λ/8	>5 J/cm² @ 1064 nm	20-10 S-D
UVFS	Ø25.4 mm	6 mm	>99.5%	45°	355 nm	λ/8	>15 J/cm² @ 1064 nm	20-10 S-D
UVFS	Ø25.4 mm	6 mm	>99.5%	45°	355 nm	λ/8	>5 J/cm² @ 1064 nm	20-10 S-D
UVFS	Ø25.4 mm	6 mm	>99%	0°	266 nm	λ/8	>15 J/cm² @ 1064 nm	20-10 S-D
UVFS	Ø25.4 mm	6 mm	>99%	0°	266 nm	λ/8	>5 J/cm² @ 1064 nm	20-10 S-D
UVFS	Ø25.4 mm	6 mm	>99%	45°	266 nm	λ/8	>15 J/cm² @ 1064 nm	20-10 S-D
UVFS	Ø25.4 mm	6 mm	>99%	45°	266 nm	λ/8	>5 J/cm² @ 1064 nm	20-10 S-D

Nd:YAG Laser Line (HR) Mirrors - purpose, key functions, production and customization

What is Nd:YAG Laser Line (HR) Mirror?

Nd:YAG Laser Line (HR) Mirror is an optical component coated with dielectric thin-film coating stack. This mirror is specifically designed to reflect Nd:YAG laser harmonics. Unlike output couplers (partial reflectors), these mirrors are designed and manufactured in such way to achieve maximal possible reflection value, instead of specific reflection value.

How Nd:YAG Laser Line (HR) Mirrors are produced?

Similarly to Yb:YAG and Ti:Sapphire Laser Line MIrrors, Alien Photonics Nd:YAG Laser Line (HR) Mirrors' production begins with optical substrate preparation – polishing and inspecting them. The next step is coating design – these mirrors are optimized for specific Nd:YAG laser line (single band, narrow band) and the design goal is to either make the best possible reflection (HR) or produce mirrors with high laser induced damage threshold (LIDT). Based on the priority, specific coating materials are chosen. Coating also can be optimized for specific angle of incidence (AOI). Most popular AOI’s are 0°, 45° or 56°. Alien Photonics also offers custom angle of incidence optimizations: 5°, 8°, 12, 22.5°, etc. If you'd like your mirror to work at several incidence angles? No problem, just let us know the range.

How to handle and clean Nd:YAG Laser Line (HR) Mirrors?

Dielectric coated Nd:YAG Laser Line (HR) Mirrors are way more resistant to physical contact and environmental impact when comparing to bare metal coated mirrors (Au, Ag, Al). Regular cleaning and handling instructions of dielectric coated optics are recommended by Alien Photonics.

Custom Nd:YAG Laser Line (HR) Mirrors

Besides standard mirrors, Alien Photonics also offers custom options for other harmonics (e.g 213 nm). Custom Nd:YAG mirrors can also be produced for various angles of incidence (AOI). Whether you need smaller or larger Nd:YAG laser line mirror – no problem, various sizes, thicknesses and shapes are available. Check out Custom HR mirrors for other lasers. Interested in even more complex solution? Coating materials, various optimizations are available upon request.

Nd:YAG Laser Line (HR) Mirrors for research, interferometry, spectroscopy, medical and other lasers

Primary purpose of these mirrors is to direct Nd:YAG laser beam path. While some Alien Photonics Nd:YAG HR mirrors are used in standard laser systems, some of them are also crucial in complex optical geometries, in scientific research and state-of-the art lasers, where even small angle deviation is crucial.

Nd:YAG Laser Line (HR) Mirrors for research and development (R&D)

Alien Photonics HR mirrors can be very helpful component when constructing new laser or even more complex optical device. Nd:YAG HR mirrors can be used as a front mirror to reflect the light back to laser medium, while in a combination with Alien Photonics Output Couplers (Partial reflectors) this pair together ensures high reliability of this a critical part in the cavity.

Nd:YAG Laser Line (HR) Mirrors for interferometry

532 nm Nd:YAG Laser Line (HR) Mirrors are very popular component used to direct coherent laser light in interferometric measurements (e.g. optical inspection interferometers). These mirrors help to create precise interferometric measurements in metrology and materials science.

Nd:YAG Laser Line (HR) Mirrors for spectroscopy

Ultraviolet (UV) Nd:YAG HR mirrors (355 nm, 266 nm, … ) efficiently direct laser light for spectroscopic analysis. Alien Photonics mirrors help to achieve high-resolution results in chemical and biological research. That information allows detailed study of molecular structures, chemical compositions and material properties.

Laser Line (HR) Mirrors for medical Nd:YAG lasers

Quite popular 1064 nm and 532 nm Nd:YAG HR mirrors are used to precisely guide laser beam to target areas on the skin and body parts. These mirrors are critical components in medical lasers for effective treatment of dermatological illness, hair removal, vascular lesions. 1064 nm mirrors are used in lasers for deeper tissue treatment, while 532 nm mirror is effective for surface and superficial procedures, due to high absorption in oxyhemoglobin and melanin.

Typical characteristics of Alien Photonics Nd:YAG Laser Line (HR) Mirrors

Due to constant improvements, all parameters are subject to change. Please, treat contents of this table as guidelines.

Characteristics	Typical Value
Substrate Characteristics	Value
Substrate material	UVFS
Diameter tolerance	+0.0 / -0.15 mm
Thickness tolerance	±0.1 mm
Protective chamfers (bevels)	0.25 mm x 45°
Flatness	λ/8 @ 632.8 nm (per C.A.)
Surface quality	20-10 S-D (acc. to MIL-PRF-13830B)
Coating Characteristics	Value
Clear Aperture (C.A.)	>85%
Group Delay Dispersion (GDD)	optimized
Laser Induced Damage Threshold (LIDT)	>5-15 J/cm² @ 1064 nm, 10 ns, 10 Hz
Certificate	Availability
Certificate of Conformance (COC)	Yes. Available upon request.
RoHS	Yes. Available upon request.
Conflict minerals	Yes. Available upon request.