OCT and Fiber Optic Assemblies

At G&H, we take a custom module designs from specification all the way through to a manufactured product. We are expert in mechanical design for optics, fiber optics, and fiber assemblies. Our fiber assemblies include spectrometers, optical delay lines, telescopes, and fiber collimators. The most complex assemblies can include bulk optics, fiber optics, motion control, and electronics. We optimize fiber assemblies for minimum temperature dependence and maximum reliability by performing finite element stress and strain analysis in 3D solid modelling software. Our optical modelling tools enable us to design and analyze complex optical trains. We also employ optical modeling for fiber lasers and fiber amplifiers. Detailed component knowledge allows us to specify the best set of products for a given application, balancing key drivers like cost, reliability, and performance. Our team of electronic engineers are able to design power, control, and monitoring circuits as required, drawing on proprietary knowledge of the design of drivers for our own in-house components. Our laser driver circuits add negligible noise, minimizing diode limited phase noise (laser linewidth) and intensity noise (RIN). Our flexible RF driver designs facilitate optimization of acousto-optic modulator performance. G&H has facilities dedicated to the production of optics, fiber optics, and assemblies of these components. Fiber assemblies are produced in class 10,000 cleanrooms. Optics exposed to high power lasers must be kept free from all sources of contamination, as must equipment used in wafer fabrication. Our production facilities are equipped with the state-of-the-art equipment, from splicing machines to advanced test equipment. We have in-house facilities for reliability testing, including thermal cycling chambers, high power lasers, and shock and vibration testing equipment. Our experienced production staff brings decades of knowledge and experience in the build of complex optical and fiber optic assemblies to your product. We are expert in working with fibers, fiber components, and optical components. We have developed techniques specifically for mounting fiber optic components and routing fibers in a robust and reliable way while maintaining optimum optical performance. We have designed custom fiber modules for use in interferometers for Optical Coherence Tomography (OCT) in retinal scanning systems. Our fiber assemblies are also used in passively mode locked, picosecond fiber lasers where the optical path is made solely of polarization maintain fiber. Other applications include optical fiber LIDAR for the protection of linear assets (pipelines, railway lines, security fences etc.) and optical branching networks for telecommunication systems. Custom fiber optic assemblies, as integrated by G&H, offer more value than the components alone. Our state of the art manufacturing facilities, production equipment, experienced staff, and advanced assembly techniques are all resources available to help to reduce production costs, investment costs, and time to market. We implement custom module designs on either a build-to-specification or build-to-print basis. A standard range of splitter modules are available; please refer to the datasheet ‘Network Expansion Module’. For all other module requirements, please contact us to discuss the specific requirements of the application.

Applications of fiber optic assemblies

Optical coherence tomography (OCT), telecommunications, biomedical instrumentation, fiber laser systems, LIDAR, sensing, interferometry, medical diagnostics