OFC - FOCUS
albis Optoelectronics extends portfolio of mounted photodiodes Swiss based Datacom and Telecom applications manufacturer, Albis Optoelectronics, have developed a range of complex assembly solutions which can now be supplied as flip-chip bonded or wire-bonded devices on customised 2D or 3D (wrap- around) carriers and meet stringent requirements with regards to alignment precision, bandwidth and layout complexity. The PS20X4 consists of an array of four, flip-chip soldered 28 GHz lensed photodiodes that can be used as the core building block inside a CFP4 receiver module.
Optical fibre geometry measurement system, from arden Photonics
Arden Photonics has announced the introduction of its FGC range of optical fibre geometry measurement equipment. The FGC range provides high speed automated measurement of fibre end-face geometry, including core diameter, core non-circularity, cladding diameter, cladding
non-circularity and core-to-cladding concentricity. Options are available for measuring large diameter fibres (up to 1mm diameter) and specialty fibres such as double-clad, non-circular (e.g. octagonal), multicore and PM fibres. Side-view coating options are also available. Complete measurement takes under 20 seconds. Specially designed holders, fibre handling bench and traceable calibration ensure repeatability of < 0.05µm on core and cladding diameters. sTanD 3735 Codixx to showcase colorPol® high transmittance polarisers High transmittance polarisers are characterised by a colorPol® HT polarisers are available in standard thicknesses of 0.2 mm, 0.25 mm and 0.5 mm with square standard sizes of 11 x 11 mm² and 15 x 15 mm², with individual shapes or dimensions available on request. In addition to the standard HT-products, CODIXX offers customised polarisers from 1,250 nm up to 2,500 nm. sTanD 3634 Optimisation made simple with iQabC, by Coherent solution Coherent Solutions’ IQABC, with advanced ABC (Automatic Bias Control) algorithm, accurately and reliably controls and optimises all modular bias points, regardless of the modulation format or pattern. The IQABC can be operated transmittance up to 98% and high contrast ratios over 100,000:1 within the given spectral range. The low insertion loss allows the use in telecom applications.
As multiple customisation projects are currently being worked on, the company is expanding its work force and production infrastructure to support an increasing demand. sTanD 3408 anritsu adds dual wavelength measurement capability to O/e calibration modules for vectorstar® vna family Anritsu has introduced two options for its MN4765B series of O/E calibration modules, which, when used with the MS4640B VectorStar® Vector Network Analyzer (VNA) family, provide optoelectronic measurements up to 70 GHz at both 1310 nm and 1550 nm wavelengths.
Option 71 allows the MN4765B to be used with the VectorStar VNA to conduct optoelectronic measurements from 70 kHz to 70 GHz in the 1310 nm range, while Option 72 provides measurements from 70 kHz to 70 GHz at both 1310 nm and 1550 nm to be made. Both options use a NIST-characterised photodiode as the primary standard, for greater E/O and O/E measurement accuracy when compared to alternative methods. The MN4765B module, combined with the MS4640B VNA, provides a simplified approach for optoelectronic measurements and is an economical alternative to conventional total-system approaches currently used. The MN4765B optical modules are designed with an InGaAs photodiode that converts modulated optical signals to electrical signals. The photodiode has exceptional bandwidth response to 70 GHz. Additional circuitry for temperature and bias stability are also incorporated into the modules. With the new wavelength options, the MN4765B O/E calibration module can be used to conduct dual wavelength optoelectronic measurements to characterise components during R&D and manufacturing. It is also well suited for universities and research labs where modulation rates up to 70 GHz at dual wavelengths are being explored. sTanD 2813
in stand-alone mode, using its
built in front panel control and display. Using Ethernet connectivity, the product can also be
accessed and controlled from anywhere within the user’s local access network. The user can even automate the control using SCPI commands. sTanD 1328
ISSUE 6 | Q1 2016 38
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