Optical Coatings

Atomic Layer Deposition (ALD) has made significant advances in optical coatings, offering precise control over thickness and composition at the atomic scale.


Key benefits include:

• High Precision
ALD allows for uniform and conformal coatings on complex geometries, crucial for high-performance optical components.

• Improved Performance
Enhanced optical properties such as reflectivity, anti-reflectivity, and durability due to the superior quality of ALD coatings.

• Scalability
Suitable for large-area coatings, making it ideal for applications ranging from lenses to large optical systems.

• Material Versatility
Enables the use of a wide range of materials, including oxides, nitrides, and sulfides, expanding the functional capabilities of optical coatings.


These advancements make ALD a preferred method for developing next-generation optical coatings in various industries, including telecommunications, photovoltaics, laser, and display technologies.

One run all-around ALD with AR @ 750-1000nm, AOI: 0-15°, R < 0.2%

Key Specification:

One run all-around #ALD coating on Collimation Lens Arrays 14 x 1mm with AR @ 750-1000nm, AOI: 0-15°, R < 0.2%.

#Optical materials: TiO2 / Al2O3 / SiO2


2024.03.25

One run all-around ALD with AR @ 1550nm, AOI: 0-20°, R < 0.2%

Key Specification:

One run all-around #ALD coating on sapphire windows 30 x 20mm with AR @ 1550nm, AOI: 0-20°, R < 0.2%.

#Optical materials: Al2O3 + Ta2O5


2024.01.22

One run all-around ALD with AR @ 400-750nm, AOI: 0°, Avg R < 0.4%

Key Specification:

One run all-around #ALD coating on tube-cut windows d = 30mm, L = 15mm with AR @ 400-750nm, AOI: 0°, Avg R < 0.4%.

#Optical materials: Al2O3, TiO2, SiO2



2023.10.23

One run all-around ALD with AR @ 476nm, AOI: 0-35°, R < 0.2%

Key Specification:

One run all-around #ALD coated rod lenses d = 0.5mm, L = 20mm with AR @ 476nm, AOI: 0-35°, R < 0.2%.

#Optical materials: TiO2 / Al2O3 / SiO2


2023.05.05

One side ALD with BS @ 465, 532, and 630nm, AOI: 25°, R = 50%

Key Specification:

One side #ALD coated microstructured windows 5x5mm with "RGB" beam splitter @ 465, 532, and 630nm, AOI: 25°, R = 50%.

#Optical materials: Al2O3 / TiO2


2023.04.21

One run both sides ALD with AR @ 248nm, AOI: 0-10°, R < 0.1%

Key Specification:

One run both sides #ALD coated plano-concave rectangular lenses 82x5mm with AR @ 248nm, AOI: 0-10°, R < 0.1%.

#Optical materials: HfO2 / SiO2



2023.02.17

One run both sides ALD with AR @ 400-700nm, AOI: 0-20°, Avg R < 0.4%

Key Specification:

One run both sides #ALD coating on double-concave lenses d = 9mm with AR @ 400-700nm, AOI: 0-20°, Avg R < 0.4%.

#Optical materials: Al2O3 / TiO2 / SiO2



2023.01.23

One run both sides ALD with AR @ 420-680nm, AOI: 0-30°, Avg. R < 0.3%

Key Specification:

One run both sides #ALD coated microlenses d = 5mm with AR @ 420-680nm, AOI: 0-30°, Avg. R < 0.3%.

#Optical materials: TiO2 / Al2O3 / SiO2



2023.01.16

One run both sides ALD with AR @ 420-700nm, AOI: 0-20°, Avg. R < 1%

Key Specification:

One run both sides #ALD coated protective windows d = 13mm with broadband AR @ 420-700nm, AOI: 0-20°, Avg. R < 1%.

#Optical materials: hydrophobic, sapphire-like Al2O3 and TiO2



2023.01.09

One Side ALD with NPBS @ 355nm, AOI: 45°, R = 50%

Key Specification:

One side #ALD coating on plates 10x5mm with NPBS @ 355nm, AOI: 45°, R = 50%.

#Optical materials: Ta2O5 + Al2O32


2022.11.18

All-around ALD with AR @ 245-350nm, AOI: 8°, R < 0.5%

Key Specification:

One run all-around #ALD coating on spherical microlenses d = 5mm with AR @ 245-350nm, AOI: 8°, R < 0.5%.

#Optical materials: Al2O3, HfO2, SiO2



2022.11.14

One side ALD with AR @ 1550nm, AOI: 0-45°, R < 0.5%

Key Specification:

One side #ALD coating on microlenses (hemispheres) d = 8mm with AR @ 1550nm, AOI: 0-45°, R < 0.5%.

#Optical materials: Al2O3, HfO2, SiO2


2022.11.11

All-around ALD with HR @ 266nm, AOI 0°, R > 99.9%

Key Specification:

All-around #ALD coating on plano-concave microlenses (4 x 6 mm) with HR @ 266nm, AOI 0°, R > 99.9%.

#Optical materials: HfO2 + SiO2



2022.11.07

Both Sides ALD on PMMA with AR @ 532nm, AOI 0°, R < 0.1%

Key Specification:

Low-temperature #ALD coated Fresnel lenses (PMMA) d = 12.7mm with AR @ 532nm, R < 0.1%.

#Optical materials: Al2O3 + TiO2


2022.10.31

Both Sides ALD with AR @ 515nm, AOI 0-20°, R < 0.1%

Key Specification:

One run both sides #ALD coating on microlenses (rods) d = 2mm with AR @ 515nm, AOI 0-20°, R < 0.1%.

#Optical materials: HfO2 + Al2O3



2022.10.24

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