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Ball window light-focusing design:
The φ1.5 mm ball window converges the light beam, improving optical coupling efficiency.
Reliable hermetic packaging：
Hermeticity of ≤1×10⁻⁹ Pa·m³/s after weld sealing.
Standard TO56 compatibility:
Used together with standard TO56 headers.
Optical communication:
Used in optical communication devices such as lasers and detectors in TO56 packages.
Optoelectronic sensors:
Suitable for optoelectronic sensing and infrared detection applications.
Industrial inspection:
Used for optical packaging of industrial inspection and measurement equipment.
Built-in lens effect:
The window itself provides focusing capability, reducing the burden on external optical systems.
High coupling efficiency:
The ball window improves optical path coupling efficiency and optimizes device performance.
Strict quality control:
Fully in-house production with 100% inspection of hermeticity, dimensions and other items.
The ball window cap provides an optical channel for the chip and focuses the light beam. As an optical signal passes through the ball window, the spherical curvature refracts and converges the rays, converting a divergent beam into a convergent beam or a focal spot, thereby improving coupling efficiency with the fiber or receiver. After the metal cap body is welded to the header, a hermetic cavity is formed and the internal chip is electrically connected through the pins. The optical performance of the ball window depends on its radius of curvature and the refractive index of the material, and can be optimized for specific application requirements.
| Parameter | Specification |
|---|---|
| Window type | Ball window |
| Material | Kovar alloy |
| Hermeticity | ≤1×10⁻⁹ Pa·m³/s |
| Surface Finish | Nickel plating |
| Dimensions | Customizable design |
| Packaging | Standard packaging |
| Applications | Optical communication, optoelectronic sensors, industrial inspection |
