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Coatings


Casix own many kinds of coaters, including Veeco coater (IBS) from USA, Optorum coater (OMS) from Japan, Leybold coater (IAD) from Germany, Hanyi coater from Korea and domestic coaters to provide high surface quality, low absorption and high laser damage threshold coatings and various filters for different applications.

CASIX provides a wide variety of coatings from simple single layer antireflective coatings using MgF2 and mirror coatings to complex multilayer dielectric stacks. Typical types of dielectric coatings are BBAR, V-coatings and dual wavelength AR coatings.


Optorun Coater                                                    Leybold Coater

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Veeco Coater                                                     Veeco Coater                      

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Coating Type

Properties and Applications

Antireflection

 

Single Layer MgF2

Applied to materials with refractive indices from 1.45 to 2.4. The   most popular antireflective coating for visible wavelengths. It is

insensitive to change in incidence angles.

 

Multilayer "V"

Used   to provide low reflectance within a narrow durable wavelength band for most   laser applications. Minimum reflection can be less than 0.1%.

Broadband Mutilayer

These coating have excellent   performance over a broad special

broadband. Coating performance   is sensitive to angle of incidence.

 

Dual Wavelength Band

Offer very   low reflectance at two widely spaced wave lengths, such as Nd: YAG Laser   (1064) and its second harmonic (532).



Partial  

Reflection

 

Narrow Band

Provide 50% reflection and   transmission at an angle of  45°   incidence for a single wavelength. Perfect for beamsplitter applications.   Transmission/reflection (T/R) ratio of 20/80.

Additional T/R ratios for beamsplitter are   available upon request.

 

Broadband

Provide 50% reflection and   transmission over a wide bandwidth.

CASIX   also provides coating with different R/T ratios and specific angles of   incidence.

 

 

 

Beamsplitter

Laser Line Polarizing   Beamsplitters

High   reflection for s-polarized and antireflection for p-polarized for laser   applications.

Broadband Polarizing   Beamsplitters

Wide   wavelength bandwidths provide high reflection to s-polarized and   antireflection to p-polarized.


Dichroic Beamsplitter Mirrors

 These coatings separate the laser fun damental and   the pump wavelength or the fundamental and the second ha rmonic. They are   specifically applied to laser mirrors.

 

DPSSLasers


Diode   Pumped LaserOptics Coating (DPO)

These coatings are designed for   a diode pumped laser. They

can be   deposited on a variety of substrates and have a high damage threshold.


High  

Reflection

Dielectric High Reflective   Coatings

Provide   high reflectance over a broad bandwidth and are ideal for tunable lasers or   white light applications.


Metallic   High Reflective Coatings

Metallic coating have low peak reflectance, mechanical   durability and a high damage threshold, but they have an extremely broad   bandwidth and low cost. They are insensitive to angle of incident

light and polarization.

 

 

Product Catalog Download

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