Optical Coating for Crystals, Semiconductors & Garnets

optical coatings for crystals, semiconductors, and garnets

Notch Optics leverages its deep expertise in the semiconductor industry, supported by state-of-the-art clean room facilities and advanced thin film engineering.

Our optical coating designs and stringent process controls are tailored to meet the demanding requirements of high production throughput, 24/7 reliability, and consistent product quality.

We specialize in applying thin film coatings to various substrates including glass, silicon, and fused silica wafers, which are integral in the fabrication of LCoS, CMOS, LC, and other opto-electronic devices.

Our coatings support a wide range of functionalities such as reflection enhancement, transparent conductivity, thermal management, spectral selectivity, and optimizing optical throughput or blocking capabilities.

Key capabilities and offerings include:

  • Transparent Electrodes:
    • Indium Tin Oxide (ITO) and indexed matched (IMITO) coatings.
  • Thermal Environmental Control:
    • ITO heater elements.
    • Heat deflecting coatings (hot mirror).
  • UV & Solar Blocking Coatings:
    • Spectral filter coatings covering UV to mid-IR wavelengths.
  • Zonal Selectivity:
    • Shadow and masking services available on request.
  • High Throughput Coatings:
    • V-Coat and BBAR (Broadband Anti-Reflective) coatings spanning UV to mid-IR ranges.
  • Reflection and Electrical Conductivity:
    • Precious metal coatings (Silver, Gold, Aluminum).
    • Bus bars including silver epoxy, Cr/Ni/Au, silver frit, and ultrasonic wire welded options.
  • Substrates:
    • Low or no alkaline substrates in sheet or wafer forms such as Eagle XG, AF 32, D263.
    • Thin substrates (<0.5mm) like AF 32, D263, Eagle XG.
    • UV transmitting, low expansion wafers such as fused silica.
    • Glass types including soda lime and borosilicate.
    • Customer-supplied silicon wafers.
  • Enhancements:
    • Oleophobic and extreme abrasion resistant coatings.
    • Chemically strengthened and HIE (High Ion Exchange) aluminosilicate materials.

Our commitment to innovation and quality ensures that Notch Optics provides cutting-edge solutions to meet the evolving needs of the opto-electronics industry.

Notch Optics’s Ion Beam Sputtering (IBS) deposited films exhibit minimal sensitivity to moisture, ensuring little to no spectral shift in high-energy laser applications and offering exceptional environmental durability. We specialize in designing coatings for various crystals, garnets, and semiconductor materials, including:

  • LiNbO3
  • LiTaO3
  • KTP
  • LBO
  • YVO4
  • YAG
  • Silicon
  • Garnet
  • InP
  • Ultra Thin Wafers

Notch Optics has pioneered innovative methods for fixturing ultra-thin wafers, crystals, and semiconductor materials, supported by our skilled production team dedicated to maintaining high-quality standards.

Explore our range of thin film optical coatings tailored for Crystals, Semiconductors & Garnet materials through the following links:

  • AR Coatings: Low-loss designs include super low, broadband, narrow-band laser, and dual-wavelength coatings. Typical Semiconductor AR (Anti-Reflection) Designs
  • Dielectric Mirror Coatings (248nm – 2500nm): All-dielectric low-loss mirror coatings with typical reflectance of 99.5% or greater. In accordance with MIL-C-48497. Typical Dielectric Mirror Designs
  • Laser Dielectric Mirror Coatings (248nm – 2500nm): Highly reflective low-loss coatings meeting MIL-C-48497 and MIL-F-48616 standards, providing up to 99.95% reflection. Typical Laser Dielectric Mirror Designs
  • Dielectric Beamsplitter Coatings (240nm – 2000nm): Designed to split incoming light into reflected and transmitted components. Optimized for specific requirements including reflection/transmission ratios, angle of incidence, wavelength, polarization, and incident medium. Typical Dielectric Beamsplitter Designs
  • Custom Optical Filters: Bandpass, broadband pass, long wave & short wave pass, dichroic, rejection, edge pass, and neutral density filters. Deposited using Ion Beam Sputtering, Leybold APS, and IAD methods. Typical Custom Optical Filter Designs
  • Attenuation Coatings: Thin films designed to reduce or remove excess energy in optical systems. Typical Attenuation Designs
  • Metal and Dielectric Depositions: Selection of coating materials applied to specified target thicknesses. Typical Metal and Dielectric Deposition Designs

Contact our design team to discuss your specific Optical Coatings for Crystals, Semiconductors, and Garnet applications today!