Optical coatings affect an optical component’s ability to transmit and/or reflect light.

A thin film optical coating deposition on an optic can impart different behaviors, such as antireflection for lenses and high-reflection for mirrors.  Optical coating materials containing silicon and other metal atoms can be used in a wide range of optical applications. The use of silicone gels and elastomers as cladding or sealing materials takes advantage of their high optical transmission. These materials can be modified to have refractive indices matching those of the substrate. For example, UV curable acrylate modified silicones can provide index matching for polymethacrylates. Similarly, thermally curable silicone materials can be cured onto surfaces to provide benefits such as scratch resistance and weather resistance. Epoxy modified silicone systems can be cured onto polycarbonates to impart scratch resistance.

In addition, metal organic compounds can be used in vapor deposition techniques to apply coatings on surfaces. Silicones and silanes can be applied to optical fibers to provide lubricity, protection from moisture and help to reduce breakage and surface fractions.

Gelest, Inc. offers pre-formulated materials as well as the raw materials for these coatings.

Optical Materials

PP2-OE39

GELEST® OE 39: SILICONE OPTICAL ENCAPSULANT (RI 1.39)

PP2-OE41

GELEST® OE 41: SILICONE OPTICAL ENCAPSULANT (RI 1.41)

PP2-OE42

GELEST® OE 42: SILICONE OPTICAL ENCAPSULANT (RI 1.42)

PP2-OE43

GELEST® OE 43: SILICONE OPTICAL ENCAPSULANT (RI 1.43)

PP2-OE46

GELEST® OE 46: SILICONE OPTICAL ENCAPSULANT (RI 1.46)

PP2-OE46.1

GELEST® OE 46.1: SILICONE OPTICAL ENCAPSULANT (RI 1.46) Medium Strength

PP2-OE46.2

GELEST® OE 46.2: SILICONE OPTICAL ENCAPSULANT (RI 1.46) High Strength

PP2-OE50

GELEST® OE 50: SILICONE OPTICAL ENCAPSULANT (RI 1.50)

UV Curable

PP1-ZPUA

ZIPCONE™ UA

PP1-ZPUE

ZIPCONE™ UE

SIA0200.0

(3-ACRYLOXYPROPYL)TRIMETHOXYSILANE, 96%

UMS-992

(ACRYLOXYPROPYL)METHYLSILOXANE HOMOPOLYMER, 50-125 cSt

SIM6487.6-06

METHACRYLOXYPROPYLTRIS(TRIMETHYLSILOXY)SILANE, 94% (6% DISILOXANE)

Thermal Cure

PP2-OE41

GELEST® OE 41: SILICONE OPTICAL ENCAPSULANT (RI 1.41)

PP1-HSAM

HARDSIL™ AM

PP1-F065

GELEST® GEL F065: DEFORMABLE SILICONE GEL (RI 1.38)

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