![]() ![]() After passing through a 45° Faraday rotator the e and o beams enter the second wedge. In the forward direction, the first wedged crystal splits the input beam into e and o beams. Though most diode lasers emit linearly polarized beams with about a 20-dB extinction ratio, regular singlemode fibers do not maintain the input polarization status-which explains why most passive components, including isolators, are polarization-independent (see Fig. The birefringent crystal-based structure makes a polarization-independent isolator, and the polarizer-based module makes a polarization-dependent isolator. A pair of microlenses such as gradient-index lenses usually couples the optical beam from one fiber to the other. The core of a typical commercially available isolator contains a Faraday rotator with 45° rotation and a pair of birefringent crystals or a pair of polarizers. There have been numerous designs of different types of optical isolators such as all-fiber isolators 1,2, fiber-embedded isolators, fiber Faraday rotator isolators 3, and waveguide-based isolators 4. Whereas most passive components are reciprocal, isolators are normally nonreciprocal-that is, they allow the passage of an optical beam in the forward direction with minimal losses (<0.5 dB) while blocking the transmission in the backward direction with 40- to 70-dB losses. Isolators are playing an increasingly important role in fiber-optic systems. ![]() These components typically fall into four categories-connecting devices such as connectors and splices branching devices such as couplers and splitters filtering devices such as fiber Bragg gratings, add/drop filters, and wavelength-division multiplexers (WDMs)/demultiplexers, and performance-improving devices such as attenuators, polarizers, dispersion compensators, and isolators. In a modern optical transmission system many types of passive fiber-optic components are used to perform various functions. Some of V-CARE products includes Isolation Amplifiers, RFID Readers, Access & Attendance Monitoring Systems, Relay Modules Opto-isolator Modules, Monitoring Units, Surge Arrestors, Digital Timers, Power supplies & many more.Optical reflection can degrade performance of lasers or amplifiers unless blocked by isolators. V-Care Electronics is currently involved in the following activities: Manufacturing, Engineering Electronics Design, Software Application Development and Technology Transfer. V-Care Electronics provides a range of products and services over a wide range of market like Process Automation, Office Automation, Communication Products and Customized electronics design support. We have successfully established customer loyalty by working towards establishing lesser gap between customer’s wants and products/services we deliver. We nurture continuous innovation, teamwork, and employee involvement and stay focused on customer needs. Clients choose V-Care and stay with us for our ability to provide world-class technical solutions and reliable support.Ĭustomer care and satisfaction is part and parcel of our work culture. Our reputation for producing quality products & services has helped us enhance our customer base. We develop made to order products, to meet customer specifications. We can design to your specification on a technology transfer basis for your own production and we also have small production run capability. Today after 20 years of experience in the field, V-Care is one of the best product design consultants in Bangalore, India with an impressive client and product list. V-CARE ELECTRONICS was established in 1989 with the aim of becoming the preferred partner for product design. Termination : 2.5mm2/5.08mm pitch PHOENIX make connector Enclosure : Open type mounted on Phoenix make housing Mounting : DIN RAIL mounting Test Standard : IEC6:2001.32 way DIP switch is provided for testing individual outputs (Optional).Input Reverse polarity Protection Provided Sourcing voltage output : 48VDC/ 24VDC (As per the user requirement). ![]()
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