AT Optical Co., Ltd.
AT Optical Co., Ltd.

Precision Cemented in Optical Engineering: ATOPTIK's Advanced Techniques

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    Precision Cemented in Optical Engineering: ATOPTIK's Advanced Techniques

    In the intricate world of optical engineering, the quality of components is paramount to the performance of optical systems. ATOPTIK excels in this domain by employing advanced Cemented techniques to create high-quality Cemented lenses and prisms. These methods not only enhance the optical performance but also ensure the durability and reliability of the components.


    The Importance of Cemented in Optical Design

    Optical Cemented plays a crucial role in improving image quality, eliminating chromatic aberration, reducing light loss, enhancing imaging brightness, simplifying the fabrication of optical components, and protecting their surfaces. Two primary techniques are employed in optical Cemented: adhesive Cemented and optical contacting.

    • Adhesive Cemented:  involves using optical-grade adhesives to join two or more lenses, prisms, or mirrors into a single optical element. This method is particularly effective for its versatility and the ability to meet precise technical requirements, such as ensuring centering errors or angular errors are minimized. The adhesive must meet stringent criteria, including high light transmittance, minimal shrinkage during curing, high mechanical strength, and excellent chemical and thermal stability.

    • Optical Cemented, relies on the molecular attraction between two polished surfaces to form a bond. This method is advantageous as it introduces no intermediary material, preserving the optical properties of the components. However, it requires high surface precision, making it suitable for large-diameter components and complex optical systems.

    ATOPTIK specializes in producing high-quality Cemented lenses and prisms using both adhesive Cemented and optical contacting techniques. These components are meticulously crafted to meet the exacting standards required in various optical applications.

    Adhesive Cementation Process Workflow

    Process Stage

    Technical Specifications

    Surface Preparation

    Cleaning cemented surfaces, workstation setup, leveling table adjustment

    Quality Inspection

    6x magnification lens inspection under 68W-100W optical projector

    Adhesive Application

    Bubble-free application with uniform layer distribution (0.1-0.3mm thickness)

    Curing Process

    Primary: UV/High-pressure lamp curing (10-30min)
    Secondary: Thermal curing at 60°C ±2°C (6hr duration)


    Optical Contacting Process Specifications

    Process Stage

    Key Parameters

    Technical Requirements

    Preparation

    Thickness selection
    Diopter matching
    Outer diameter tolerance
    Angle specification

    • Chamfer cleanliness (Grade 0)
    • For components >60mm:
    - N ≤1
    - ΔN ≤0.2
    • Surface defects ≤40-20 scratch-dig

    Cleaning Protocol

    Surface sequence
    Deionized water purity
    Ultrasonic cycle

    • Clean concave surface first
    • Follow with convex surface
    • 18.2 MΩ·cm DI water
    • 3x rinse cycles @ 40kHz

    Alignment & Bonding

    Centration tolerance
    Pressure gradient
    Interference pattern

    • <5 arcmin alignment
    • Edge pressure ≤2N/cm²
    • Full-surface contact within 120s
    • Newton rings ≤1 fringe/cm²



    Applications and Benefits

    Enhanced Performance: Cemented lenses and prisms from ATOPTIK enhance the performance of optical systems by reducing aberrations, improving light transmission, and increasing overall system efficiency.

    Versatility: These components are suitable for a wide range of applications, including imaging systems, laser technology, and advanced optical instruments, ensuring precision and reliability in diverse environments.

    Durability:The Cemented techniques employed by ATOPTIK ensure that the components are durable, capable of withstanding various environmental conditions and mechanical stresses without compromising optical performance.


    Conclusion: Precision and Reliability with ATOPTIK

    ATOPTIK's advanced Cemented techniques for Cemented lenses and prisms exemplify the company's commitment to precision and quality in optical engineering. By leveraging these innovative methods, ATOPTIK continues to set new standards in the field, delivering components that meet the demanding requirements of modern optical systems.


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