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Fiber V-grooves offer a wide range of advantages over conventional connections. These advantages include UV resistance, affordability and ease of alignment. Here, we will examine some of the more important characteristics of this connection type. After reading this article, you will be empowered to choose the best fiber V-groove solution for your specific needs.

Fabrication of movable V-groove

Fabrication of removable fiber V-grooves requires precise alignment of the fibers before they are attached to the substrate. The movable fiber V-groove structure can be of various shapes, including U-grooves, V-grooves, and triangular grooves. This structure provides greater precision, enabling it to be used in a variety of applications, such as the alignment of single fibers or magnetic data storage.

The removable fiber V-groove is fabricated with high precision by a process that uses silicon etching to define a planar substrate. This allows precise control over the position and shape of the V-groove. V-grooves are made of quartz, silicon or heat-resistant glass and feature low expansion and thermal stability.

In addition to the removable fiber V-groove structure, the POF is also positioned in the U-groove. In this case, the upper metal mold has a V-groove structure perpendicular to the fiber axis, transferring this structure to the POF. In addition, the spacing and angle of the V-groove can be adjusted, and the depth of the V-groove can be adjusted by pressure control.

Opaque to UV light

Fiber V-grooves offer many advantages over conventional fibers. These include UV opacity, long lifetime, and high-resolution spectral properties. These advantages make them ideal for high frequency communication applications.


Fiber V-groove arrays can be fabricated from glass or polycarbonate materials. These materials have excellent thermal stability and spacing control. In addition, they offer excellent linearity and positional accuracy. Additionally, these materials can be customized to meet customer specifications.

The V-groove structure can also be used for liquid level monitoring. The fluid inside the fiber has a higher refractive index than air. Therefore, more light can be transmitted from one side of the V-groove structure to the other, thereby increasing the output power of the sensor.

Easy to align

Fiber V-groove Advantage: A V-groove is a channel that accepts fiber in the form of jacketed or unjacketed fibers. Position the fiber in this channel by using a V-groove holder or clamp. Use the alignment ball to align the fiber to the V-groove.

Fiber V-groove Advantage: When placed in the correct housing, the fibers are aligned in the V-groove. The right housing has an access door 46 that retracts into the right housing. The door is spring biased forward and closes when the fibers are aligned. This ensures correct alignment of the fibers.

Fiber V-groove Advantage: Fiber V-grooves are ideal for fibers because they are easy to align. The V-groove cavity can be formed on a crystalline silicon wafer. A V-groove cavity can include two layers of silicon dioxide or silicon devices, as well as a single “cap” layer.