Precision Optical Assemblies by CASTECH
CASTECH specializes in designing and manufacturing high-precision optical assemblies to meet the needs of various advanced optical systems. With extensive experience in optical testing, bonding technologies, and material selection, CASTECH delivers solutions that excel in performance, reliability, and cost-efficiency.

Key features and benefits:

• Variety of Component Types: Includes Glass-Glass and Glass-Metal optical assemblies, catering to different application requirements.
• Advanced Bonding Methods: Epoxy bonding, Optical Contact, and Optical Diffusion Bonding provide high-strength, durable, and precise assemblies.
• Wide Diameter Range: From 1 mm to 400 mm, enabling versatility in product sizes for various systems.
• Excellent Wavefront Distortion Control: Achieves up to λ/20 @632.8nm, ensuring minimal distortion for high-quality imaging and beam propagation.
• Precise Beam Deviation Control: Transmitted and reflected beam deviation controlled from ±1' to ±5', ensuring accuracy in alignment and beam path.
• Customized Design Options: Tailored solutions to meet specific customer requirements, including unique geometries and materials.
• High Laser Damage Threshold: Suitable for high-power laser systems, ensuring durability and reliability in demanding environments.

Manufacturing and Applications:

• Advanced Polishing and Coating: Integration of fine polishing and coating technologies ensures optimized optical surfaces and improved subsurface properties.
• Wide Range of Optical Components: CASTECH manufactures a comprehensive portfolio of optical components, including aspherical lenses, spherical lenses, cylinders, gratings, mirrors, windows, prisms, and beamsplitters.
• Optomechanical Assemblies: High-quality multi-optical elements and optomechanical assemblies, including optical diffusion bonded polarization beamsplitter cubes, objective lenses, telecentric F-Theta lenses, and collimators, for diverse applications.

Metrology and Testing: CASTECH employs advanced metrology systems to guarantee the precision of all optical assemblies. Our testing capabilities include detailed measurement of optical, mechanical, and reliability properties, ensuring each assembly meets the highest quality standards.

Applications: These optical assemblies are ideal for:

• High-power laser systems
• Precision imaging systems
• Industrial and scientific applications requiring exact beam control and minimal distortion

CASTECH’s optical assemblies offer customers a reliable solution for high-performance optical systems, providing precision, durability, and cost-effective production.