Optical Fiber Quartz Substrate 4x3x7mm Precision Slot Positioning Fiber Coupling Base

The Optical Fiber Quartz Substrate is a miniature precision component with an overall dimension of 4 x 3 x 7mm, designed for fiber coupling and optical path positioning. The compact, flat quartz glass body provides a stable and accurate platform for mounting optical fibers and micro optical components. Slots and positioning holes are machined with high precision, enabling reliable fiber alignment and repeatable assembly. With uniform light transmission, high temperature resistance and stable chemical properties, the quartz substrate maintains its dimensional and optical accuracy in demanding communication and spectral detection applications.

• Compact and flat material: The dense, level body provides a stable mounting surface for fibers and micro components.
• Precise dimensional tolerance: Overall size and feature positions are controlled within tight limits for dependable assembly.
• Uniform light transmission: The clear quartz body transmits light evenly, supporting consistent optical performance.
• High temperature resistance: The material withstands elevated operating temperatures without deformation.
• Stable chemical property: Resistance to common chemicals keeps the quartz substrate clean and reliable in laboratory use.
• High precision slots and positioning holes: Machined features ensure accurate fiber seating and repeatable alignment.

The Optical Fiber Quartz Substrate is designed for optical communication and spectral detection systems that require precise fiber positioning. It is widely used for optical fiber coupling positioning, holding fibers in accurate alignment with lenses, detectors and other optical elements. In miniature optical systems, the quartz substrate serves as a fixing platform for optical paths, keeping components stable during operation. The component is also adopted as a base for optical communication components, providing a precise and reliable mounting point for transceivers and couplers. Additionally, the quartz substrate works as a fiber carrier for spectral detection, supporting fibers during light collection and measurement.

• Perfect fitting for micro assembly: The miniature, precisely dimensioned body integrates cleanly into compact optical modules.
• Minimal thermal deformation: Low thermal expansion keeps positioning stable across temperature changes.
• No scratch on fiber end face: The smooth, finished surfaces protect fiber end faces during mounting and use.
• Stable positioning repeatability: Consistent slot and hole geometry delivers repeatable fiber alignment from piece to piece.