Home » Optical Glass, Ultra-clear Glass, Anti-Reflective AR coating Filter Glass, Dia. 30mm, 1.0mm thickness

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Optical Glass, Ultra-clear Glass, Anti-Reflective AR coating Filter Glass, Dia. 30mm, 1.0mm thickness

Product features

● Optical Glass Low-Iron Glass

● Cost-effective for optical application

● High transmittance AR coating up to 99.5%

● Used for Optical lenses, prisms, protective covers

Product Detail

Product Descriptions :

Characteristics:	Optical Glass
Substrates:	Ultra-Clear Glass, Low-Iron Glass
Peak Transmittance:	>90% ( raw material)
Peak Transmittance(AR coating):	99.5% (AR coating)
Dimension:	Diameter 30mm
Thickness:	1mm
Surface quality:	60-40,40-20
Remark:	Support customized for different size and thickness: (1) Common for 86x86mm, 80x80mm, other can customized, max. 300x300mm (2) Thickness available: 0.21、0.3、0.55、0.7、1.0、1.1、1.5、1.8、2.0、3.0mm…etc (3) Single side or Double side AR coating, range from 380nm -1100nm or 400-700nm.

Optical Ultra Clear Glass materials:

Picture 1: Ultra-Clear Glass raw material

What’s key characteristics for Optical Ultra-clear Glass?

Optical Ultra-Clear Glass (or Optical Low-Iron Glass) refers to a specific grade of ultra-clear glass manufactured to meet exceptionally high standards required for optical applications:

Superior Optical Homogeneity: It possesses extremely uniform refractive index throughout the entire material to prevent beam distortion or wavefront error.
Minimized Internal Defects: Strictly controlled levels of inclusions, bubbles, and striae (glass streaks) to reduce light scattering.
Precision Annealing & Low Stress: Undergoes specialized annealing processes to eliminate internal stress, which helps avoid birefringence that can affect polarized light.
High Surface Quality: Can be ground and polished to optical-grade surface finishes (e.g., λ/10) for applications like lenses and windows.

What’s key application for Optical Ultra-clear Glass?

As a premium optical substrate, ultra-clear glass serves as the foundational material for a diverse range of critical components, including high-precision optical lenses, prisms, instrument windows, laser optics, and protective covers for sensitive sensors.

Shenzhen Hengda Liyuan Optoelectronics introduced advanced optical technology that apply depositing nanomaterials through ion-assisted evaporation onto a multilayer hard film in a high vacuum environment which coating layer is firm and has good tightness, and small bandwidth drift.

Liyuan optoelectronics have been focus on optical coating for more than 17 years and offer one-stop optical filters solution including Narrow Bandpass Filters, IR cut-off Filters, Longpass & Short Filters,Notch Filters, ND filters, Star filters and Optical sapphire block.