Materials used include aluminum, zinc, copper, brass and bronze alloys. What Exactly is an Optical Module Housing? An optical module housing is the protective outer shell that encloses the internal components of an optical transceiver module. These modules are essential for converting electrical signals into light signals and vice versa, forming the backbone of fiber. Laird's OptiTIMTM product is designed to overcome the challenges of cooling optical transceiver modules in Telecom, Data Centers and Enterprise Systems markets. Unlike mass-produced optics, custom components are tailored for unique applications, offering solutions where off-the-shelf products fall short. 📦 For purchasing, use the RP Photonics Buyer's Guide for optical materials. Various kinds of materials are used for.