At RSD Optronics, we are committed to advancing optomechanical engineering. Our latest project focuses on developing a revolutionary color visual camera system that significantly improves Field of View (FoV) change time and Line of Sight (LoS) retention, even in the most demanding mechanical environments. This innovative system leverages state-of-the-art technology to provide unparalleled stability and performance, making it an ideal solution for various applications. Read on to learn more about the specifics and capabilities of this groundbreaking project.
Objective:
Develop a color visual camera system (400nm to 700nm) that significantly improves Field of View (FoV) change time (target: <0.05s) and Line of Sight (LoS) retention between fields (target: <50μRad) under mechanical-induced environments, including shock (100g, 11ms as per DEF STAN 00-35), vibration (high-level tracked vehicle), and climatic conditions (high and low operational profiles, A1 and C4) with 30-degree temperature steps as per DEF STAN 00-35.
Proposed Solution:
- Fields of View: Narrow field of 3 degrees and wide field of 12 degrees.
- Optical Design: Utilizes four multi-order diffractive toroidal lens elements combined with at least two standard lens elements.
- Rotation Mechanism: Toroidal lens elements will rotate using ultra-compact, high-accuracy rotation stages with an encoder accuracy of <25μRad.
Innovative Approach:
This method replaces the traditional variator and compensator pair moved along the longitudinal axis. By achieving FoV changes through rotation instead of longitudinal motion, the system significantly reduces the effects of shock and vibration on lens position, resulting in a more stable imaging system in the harshest mechanical environments.
Mechanical Stability:
- Lens Elements: Lightweight polymer optics are targeted, reducing the effects of shock and vibration.
- Drive Motor: High holding torque for improved stability.
- Positional Accuracy: High accuracy inductive encoders (< 25μm) and low-stress, athermal lens mounting ensure precise positioning.
- Design Considerations: Careful mechanical design of the lens holder and camera chassis further enhances stability and reduces backlash.
This cutting-edge approach promises a more stable and reliable imaging system, perfectly suited for challenging mechanical environments.
Learn More About Our Project!
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