High-Pressure Silica Glass Optical Dome Lens for Submersible Camera Housings

1. Material Composition

• Silica Glass: High-purity fused silica/quartz glass with ultra-low thermal expansion and exceptional optical clarity.

• Housing: Titanium or marine-grade aluminum alloy, anodized for corrosion resistance.

• Coatings: Anti-reflective (AR) coatings (350–700 nm range) and hydrophobic layers to repel water droplets.

• Seals: Precision-engineered silicone O-rings and epoxy bonding for waterproof integrity.

2. Key Properties

• Extreme Pressure Resistance: Withstands depths exceeding 1,000 meters (100+ bar pressure).

• Optical Purity: >99% light transmission with minimal distortion or chromatic aberration.

• Thermal Stability: Operates in -50°C to 300°C ranges, resisting thermal shock.

• Chemical Durability: Immune to saltwater, oils, and acidic/alkaline marine environments.

• Mechanical Strength: Scratch-resistant surface (Mohs hardness ~7) and impact-tested design.

3. Core Functions

• Pressure Equalization: Dome shape distributes external pressure evenly, preventing housing collapse.

• Light Transmission: Maximizes light capture in low-visibility underwater environments.

• Image Clarity: Minimizes spherical aberration for sharp, wide-angle photography/videography.

• Environmental Protection: Shields cameras from abrasives, biofouling, and high-pressure water ingress.

4. Applications

• Deep-Sea Exploration: ROV/AUV camera housings for marine biology and geology research.

• Underwater Cinematography: 4K/8K video rigs for documentaries and film production.

• Offshore Industrial Inspections: Monitoring pipelines, rigs, and subsea infrastructure.

• Scientific Diving: Housing for underwater archaeology and ecological surveys.

• Aquaculture: Monitoring fish farms and underwater equipment health.

5. Advantages Over Acrylic/Polycarbonate Lenses

• Superior Depth Tolerance: Maintains structural integrity at depths where plastics deform.

• Optical Longevity: Resists clouding/yellowing from UV exposure or biofilm growth.

• Temperature Resilience: No warping in polar or hydrothermal vent environments.

• Enhanced Durability: 10x more scratch-resistant than polymer alternatives.

6. Target Industries

• Marine Technology OEMs: Custom housings for submersibles and ROVs.

• Underwater Camera Manufacturers: High-end rigs for professional divers and filmmakers.

• Oil & Gas Companies: Inspection tools for offshore drilling operations.

• Research Institutions: Equipment for oceanographic studies and deep-sea missions.

**Introduction**

Shanghai Longway Special Glass Co., Ltd. has been a professional supplier in the glass industry for over 20 years. With its expertise spanning across various fields, including optics, laser, imaging, and lighting etc., the company has established itself as a trusted partner for businesses worldwide. The company's commitment to providing high-quality glass products and services has earned it a reputation as a reliable supplier of choice among major corporations and small businesses alike.

**Our Team**

The team at Shanghai Longway Special Glass Co., Ltd. consists of professional experts with extensive experience in the field of glass manufacturing. These skilled technicians have honed their expertise through years of hands-on training and continuous education, ensuring that they remain up-to-date on the latest techniques and technologies.

**Our Capabilities**

Shanghai Longway Special Glass Co., Ltd.'s capabilities include:

* Cutting: Advanced cutting equipment allows for precise cuts in a variety of glass types.

* Grinding: High-speed grinding machines enable efficient surface preparation.

* Polishing: Automated polishing systems guarantee exceptional optical clarity.

* Molding: Sophisticated molding techniques permit the creation of intricate shapes and designs.

* Blowing: Expertise in blow-and-form processing enables the production of hollow glass products, such as bottles and jars.

* Tempering: Heat-treating equipment ensures that glass products meet or exceed industry standards for thermal shock resistance.

** Our Raw Materials**

The company offers a wide range of raw materials and processed glass products, normally including:

* Optical Glass: High-quality optical glass suitable for precision applications.

* Borosilicate Glass: Durable borosilicate glass ideal for laboratory equipment and medical devices.

* Quartz Glass: Pure quartz glass utilized in various industries, including electronics and optics.

* Float Glass: Large sheets of float glass suitable for architectural applications and flat glass products.

* Soda Lime Glass: Economical soda lime glass used for a wide range of industrial and commercial applications.

**Our Quality Control Process**

At Shanghai Longway Special Glass Co., Ltd., quality control is an integral part of the manufacturing process. Each product undergoes rigorous inspection to ensure that it meets or exceeds customer expectations. This commitment to excellence has earned the company a reputation as a trusted supplier of high-quality glass products.

**Our Commitment to Excellence**

At Shanghai Longway Special Glass Co., Ltd., we are committed to delivering exceptional quality glass products that meet or exceed customer expectations. Our team of professional experts is dedicated to providing expert advice and assistance in selecting the most suitable materials and processing techniques for specific needs. We take pride in our state-of-the-art facility, equipped with cutting-edge machinery and technology, ensuring that every product meets the highest standards.

**Why Choose Us?**

Shanghai Longway Special Glass Co., Ltd. is a trusted supplier of high-quality glass products, committed to delivering exceptional quality, innovation, and customer satisfaction. With over 20 years of experience and expertise spanning across various fields, we are well-positioned to meet the evolving needs of businesses worldwide. We look forward to serving your needs and meeting your expectations.