Optoelectronic butterfly-shaped fiber optic welding tray

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The 14-pin Butterfly Package is a compact industry standard housing for optoelectronic modules, with options for hermetic sealing. It provides a fiber feed-through, electrical fan-out, and built-in thermal management for photonic integrated circuits (PICs). A 2 or 3-beam vertical configuration laser microwelding cell utilizing a fiber-coupled Nd:YAG laser. Additional features include automatic alignment, device characterization, testing capabilities and sophisticated component tracking throughout the entire assembly process. We designed and fabricated butterfly (BFY) modules with an optical coupling set-up, which is well suited for small-scale production and rapid prototyping of waveguide-fed InP and GaAs OEICs like diode lasers, semiconductor amplifiers and optical modulators.

A novel inspection of fiber post-weld-shift in butterfly laser module

Butterfly packaging technology with a fiber pigtail is widely used in packaging optical modules, and laser welding is used to join components in a butterfly package. During laser welding,

Fiber Optic Alignment and Laser Welding

A fiber optic startup needed to ramp production for their fiber optic transponder modules. Their current equipment for aligning and fastening the fiber optic to the

Fiber-Alignment Shifts in Butterfly Laser Packaging by Laser-Welding

We present an efficient laser welding assembling sequence for minimizing the misalignment from the postweld shift in butterfly packages during fiber-to-semiconductor laser coupling.

Laser welding induced alignment distortion in butterfly laser module

References (9) Abstract Welding-induced-alignment-distortion (WIAD) is a serious issue in fiber-optic component attachment using laser welding, which can significantly affect the packaging yield.

Experimental investigation of laser welding assembling sequences for

Abstract We present an efficient laser welding assembling sequence for minimizing the misalignment from the postweld shift in butterfly packages during fiber-to-semiconductor laser coupling.

Design Guidelines for the 14-pin Butterfly Package

The 14-pin Butterfly Package is a compact industry standard housing for optoelectronic modules, with options for hermetic sealing. It provides a fiber feed-through, electrical fan-out, and built-in thermal

Butterfly

Standard packages for optical telecom transmissions and pump lasers. The most common Butterfly configuration is a 14-pin package with a CuW or CuMo base for enhanced heat dissipation.

Minimization of welding-induced alignment distortion in butterfly laser

Laser welding technology is widely used in fiber optic components assembling. A big issue in fiber optic packaging using laser welding is the welding-induced alignment distortion (WIAD),

Fischer et al, Laser micro welding for ..doc

This kind of fiber end is called fiber taper and works like a lens with diameters from 20 μm to 50 μm (fig. 2). With this tapered fibers a coupling efficiency of more than 50% can be reached.

US6608959B2

Fiber optic cableshave been developed as a medium to transfer information within a communication system. the fibersare linked to optical transmitters and optical receivers.

LASER WELD

These systems are typically used for optical assembly and for coupling light out of photonic device packaging (butterfly, TO, custom), using, for example, either ferruled optical components or

Optimal laser welding assembly sequences for butterfly laser module

In this paper we present the optimized laser welding sequences for butterfly laser module packages, designed to remove the laser hammering procedures for vertical misalignment compensation, by

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