Micro Rod Lens Cylindrical Endoscopes Grin Glasses Lens Optical Rod Lens
| Feature | Micro Rod Lens / Optical Rod Lens | Grin Glasses Lens |
|---|---|---|
| Material Substrate | N-BK7, Fused Silica, or Sapphire | Gradient Index Doped Glass |
| Diameter Range | 0.2mm to 10.0mm | 0.5mm to 3.0mm |
| Length Tolerance | ±0.01mm to ±0.05mm | ±0.02mm |
| Surface Quality | 20-10 to 10-5 Scratch-Dig | 40-20 Scratch-Dig |
| Refractive Profile | Constant (Homogeneous) | Parabolic (Gradient Index) |
| End Face Flatness | λ/4 to λ/10 @ 633nm | λ/2 @ 633nm |
| Angular Precision | < 1 arc minute | N/A (Internal Gradients) |
| Application | Cylindrical Endoscopes Relays | Micro Rod Lens Objectives |
| Parameter | Specification Range |
|---|---|
| Range of diameter | Dia.0.7mm-Dia.400mm |
| Range of curve radius | R1.5-R∞ etc |
| Tolerance of diameter | +/-0.1, +/-0.01, +/-0.005 etc. |
| Surface of diameter | λ, 1/2λ, 1/4λ, 1/10λ etc |
| Tolerance of Thickness | +/-0.1, +/-0.05, +/-0.01 etc |
| Centration | +/-2', +/-1' etc |
| Aperture N | 5, 1 etc |
| Irregularity ΔN | 2, 1, 0.5, 0.2 etc |
| Surface quality | 60/40, 40/20, 20/10, 10/5 etc |
- Medical Endoscopy: Using the Micro Rod Lens in arthroscopes, cystoscopes, and laparoscopes for high-resolution internal imaging.
- Industrial Borescopes: Deploying the Optical Rod Lens for inspecting aircraft engines and narrow piping systems.
- Fiber Optic Coupling: Utilizing the Grin Glasses Lens to focus light from laser diodes into single-mode fibers.
- Micro-Robotics: Integrating the Micro Rod Lens and Grin Glasses Lens into miniature robotic vision systems for precision tasks.
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