Experimental Training Equipments-> Fiber Optic Trainers

[1] 2 [ Next»]   Click to Enlarge FIBRE-OPTICS EDUCATIONAL COMMUNICATION KIT Specifications: Lab Fiber Optic Educational Kit is an introduction to Fiber Optic Communications. No prior experience is required to operate it. It contains all the components for building fiber optic data link including a LED, Detector, Fiber Optic Connectors, Interface Electronics and one meter of Fiber Optic Cable. Termination of the plastic fiber optic cable requires the use of just a simple, sharp knife. The instruction booklet covers the theory of operation, , references glossary and some simple experiments. It is the ideal kit for beginners, hobbyists or a student of fiber optics. This fiber optic link can be extended upto 16 meters, making it useful for short-distance optical isolation applications, constructing RS 232 interfaces and science fair projects. Features: Integrated Devices & Connectors One-minute Fiber Terminations Transmitter Oscillator for Testing Matched Emitter and Detector TTL/CMOS Input Compatible POWER SUPPLY : +5V/1A HOUSING: It is housed in an elegant metal cabinet(CNC Machine finish) DIMENSION: 42.5cms x 36cms x 10.5cms WEIGHT: (Approx.) 1Kg POWER: 230VAC - Mains operated See Enlarge Click to Enlarge VOICE TRANSMITTER/RECEIVER TRAINER USING FIBRE OPTIC CABLE Specifications: Lab optical Voice Link trainer is an introduction to the mysteries and science of fiber optics. The instrument consists of a Fiber Optic Transmitter & Receiver using Fiber Optic Cable. The trainer can be used in demonstrating the marvels of fiber Optics or for a number of practical uses in any commercial or industrial application. The trainer consists of all components to study about a fully functional fiber-optic voice link. The Link can be extended upto 12 meters with cable and splices purchased separately. A portion of the instruction calls for the use of an oscilloscope to perform demonstrations and to make certain measurements. It is helpful but not indispensable. You can learn a significant amount about the science of fiber optics by using the Fiber Optic Transmitter/Receiver Trainer. Applications: Several objectives can be accomplished utilising the Optical Voice Link. An Instructor may use it as a short, hands-on fiber optic curriculum or as a module to demonstrate before the class. A student may use this kit for a science project. A hobbyist can use this as a home or industrial project to amaze his friends. Experience and knowledge will be gained by working with the Electronic Microphone, Analog Fiber Optic Transmitter and Receiver, and the fiber cable interfaces. You can hear your own voice, for example, after it has been converted into light and then coupled into the through and out of an optical fiber. POWER SUPPLY: Transmitter-+9V/500mA Receiver - +9V/1A Housing: It is housed in an elegant suitcase for easy portability. Power: It is operated on 230VAC mains operated. DIMENSION: 42.5cms x 36cms x 10.5cms - Units Weight: (Approx.) 1KG See Enlarge Click to Enlarge INDUSTRIAL FIBER OPTIC TRAINER Specifications: The Industrial Trainer is a wonder instrument with which you can enter a world of Fiber Optics, the very new way of transmitting light and image. Your imagination, coupled with this Fiber Optic Kit will give you an opportunity to experiment with light and have hours of intellectual fun. Although many experiments are presented for your enjoyment, you are encouraged to give vent to your creative talent and develop your own experiments. The following experiments can be conducted using the Industrial Fiber Optic Trainer. Rigid Fiber Optics - "Image Guides" * Top Image * Inverted Image * Bending Image * Rotated Image * Contour Surface Image * Image Magnifier Flexible Fiber Optics - "Light Carriers" Construction of finished glass light guides Demonstrations of flexibility of light transmission using glass fiber Construction of flexible unjacketed glass light guide Effect of alcohol on fiber materials Special Effects Coil & Shape Plastic fibers with different devices such as spools, pencils, etc. Studying the characteristics of fiber materials in hot water. Creating minute sparkle points on your plastic fiber to enhance lighting effect. Using these effects with your plastics guides, perform the same experiments as those conducted with your glass guides. Important fiber associated elements that come with the Trainer: 2 cells penlight source (less batteries) Ball magnifier Image Stone " sq. glass plate Lens Plastic Image guide Light hood adapter " sq. fiber optics face plate 5 ft. glass light guide (0.40' bundle) 1 ft. glass fiber (0.18 dia.) more than 2000 fibers (20) 1 ft. Ig. assorted col. plastic fibers .020 dia. 4" lg. clear heat shrink 2 rigid heat shrink 1 " long pieces 10" - 12" finished glass light guide HOUSING: It is housed in an elegant metal cabinet(CNC Machine finish) DIMENSION: 42.5cms x 36cms x 10.5cms WEIGHT: (Approx.) 1KG POWER: 230VAC - Mains operated See Enlarge Click to Enlarge BASIC FIBER OPTIC DESIGN TRAINER TECHNICAL SPECIFICATIONS This trainer is a proven three-component fiber optics kit, available in the market, comprises a 660 nm LED (SMA connectorised), a matching phototransistor (SMA connectorised) and a 1-meter 960/1000 micron step index PMMA fiber simplex cable, terminated with SMA connectors. This kit facilitates experimenters and professional users to design a variety of fiber optics systems on their own, Conversion of existing electrical systems to FO systems is possible using this trainer which is supported by a wide range of low-priced optional transceiver modules for transmission of analogue, TTL, CMOS, RS232, video, FM and FSK signals. Speeds over 100 KHz and distances in excess of 20 meters are possible with this trainer. To obtain higher speed (upto 80 MHz) and longer distances (over 2 kilometers) ask for Lab Electronics' Profession fiber-optics kit . This kit operates at 850nm and uses graded-index multimode fibers and matching devices See Enlarge Click to Enlarge SIMPLEX CABLE WITH PMMA FIBER USED IN THIS TRAINER The simplex cable with PMMA fiber finds application for short distance analog and digital signal transmission. The step index fiber has a large area of cross section and a high numerical aperture, facilitating easy coupling with transmitting and receiving devices. The light is guided along a fiber of one millimeter approximately to distances of a few tens of meters. The other main applications of PMMA fibers are in sensors light guides and displays. SPECIFICATIONS OF SIMPLEX CABLE 1. Core Material : PMMA (Polymethyl methacrylate) 2. Cladding Material : Fluorinated Polymer 3. Fiber Structure : Step index type 4. Core/Cladding Diameters : 960 micron/1000 microns 5. Core Refractive index : 1.492 6. Cladding Refractive index : 1.405 to 1.417 7. Numerical Aperture : 0.5 (typical) 8. Acceptance Angle : 55-60 9. Attenuation at 660nm : Typically 0.3 dB per meter 10. Jacket Material : Polythene (black, 2.2 mm OD) See Enlarge Click to Enlarge FIBER OPTICS 660nm LED USED IN THIS TRAINER: The fiber optics LED used in this trainer is a low-cost device. Operating at 660nm, it couples 40 to 50 mw of power into a 1000 micron PMMA fiber. The LED is terminated with an optical SMA connector (nickel-plated). The LED is suitable for speeds above 100KHz. SPECIFICATIONS OF FIBER-OPTIC LED Material : Ga Al AS Wavelength : 660nm Spectral Line Width : 45nm Forward Voltage Vf : 1.7V to 10V Reverse Voltage (Vr) : 5 Volts Capacitance : 100 pf (approx.) Forward Current (9max) : 30 mA (avg.) Optical Power : 30-40mw-10mA Turn-on-turn-off time : <800 ns Termination : SMA (905) Electrical Leads : Red sleeve is Anode No sleeve is Cathode See Enlarge Click to Enlarge FIBER OPTICS PHOTOTRANSISTOR USED IN THIS TRAINER The fiber optics phototransistors used in this trainer has a responsively of 50 mA/mw of incident light at 660 nm, when coupled to a 1 mm PMMA fiber. The device is terminated with an optical SMA connector nickel plated). The phototransistor is suitable for speeds upto 100 KHz. SPECIFICATIONS OF FIBER OPTIC PHOTOTRANSISTOR Peak Responsively : 850 nm Spectral Range : 400 to 1100 nm Dark Current : 100 mA (max) Spectral Response : 50mA/mw-660 nm CE Breakdown Voltage : 30V (min) EC Breakdown Voltage : 5V (min) Vce (sat) : 0.2 V (typical) Rise/Fall Time : 5 ms (typical) Connector : SMA (905) Electrical Leads : Black sleeve is Emitter. : No sleeve is collector. See Enlarge Click to Enlarge vTYPICAL APPLICATIONS OF THE KIT: Two simple applications of this trainer are described here an analogue and a digital link. The circuits employed represent one method of realising two links respectively. There are several other means of building more efficient analogue and data links. This is left to the ingenuity of the opto electronics designer and experimenter. The circuits shown have been tested and have been found to perform satisfactorily. These may however require minor changes from one kit to another. Misalignment and dirt particles in the optical path can also cause variations in performance. The SMA terminations on the patch cord are polished to minimise coupling losses. The opto electronic devices in the SMA adopter and the SMA connectors in the patch cord have been aligned to obtain maximum optical power coupling. The performance of the link is determined by the transfer factor, which is the ratio of the receiver photocurrent to the transmitter LED forward current. For this trainer, this ratio is typically 100 to 200 microamperes of receiver photocurrent per milli ampere of transmitter LED forward current when using the 1-meter PMMA simplex cable. Factors like bandwidth/baud rate will be determined by the actual external components used. HOUSING: It is housed in a sloping fiber cabinet DIMENSION: 36.5cms x 28cms x 9.5cms WEIGHT: (Approx.) 1 KG POWER: 230VAC - Mains Operated See Enlarge Click to Enlarge FIBER OPTICS SIMPLEX ANALOGUE TRANSCEIVER TRAINER TECHNICAL SPECIFICATIONS Introduction: The low-priced Basic Fiber Optics Kit comprising three components, namely an SMA connectorised 660 nm, FO LED, a matching phototransistor and an SMA-connectorised one-meter optical fiber PMMA fiber patch cord, Analogue Transceiver Module to transmit and receive analogue voltage signals via the optical fiber medium. This trainer is supplied as a fully assembled and tested, single-sided glass epoxy printed circuit board (PCB). To make the system operational, an internal regulated dual power supply +5 Vdc +9 Vdc and a signal source are provided. An oscilloscope/DMM will be required to study the signals. Some components have been provided to facilitate easy change, by the user, to achieve desired performances and to take measurements. Through minor alterations in the circuit, change of ICs and increase in cable length, a bandwidth in excess of 100 KHz and distances over 20 meters can be achieved. Note: Lab Electronics offer a professional FO Kit, (850nm on multimode GI fibers) for large bandwidth and low loss designs. The realisation of a FO analogue transmission trainer using Fiber-optic cable is shown. The optical output from the LED is looped back to the detector via the PMMA patch cord some of the studies one can carry out on the trainer are: (1) Characteristics of the FO LED (Iled vs PO Iled vs Vf) (2) Characteristics of FO photodetector (PO vs IP, lark) (3) System bandwidth and linearity (4) Attenuation and numerical aperture of the PMMA fiber. trainer comes with fully assembled and tested, single sided glass epoxy PCB with sloping fiber cabinet for better viewing. Test points are provided for measurement and springs are provided for patching the circuit. HOUSING: It is housed in an elegant sloping fiber cabinet DIMENSION : 27cms x 17cms x 8cms WEIGHT: (Approx.)500gms POWER: 230V/50Hz AC Mains See Enlarge Click to Enlarge FIBER OPTICS FULL-DUPLEX ANALOGUE TRANSCEIVER TRAINER TECHNICAL SPECIFICATIONS The low-priced Basic Fiber Optics Kit comprising three components, namely an SMA connectorised 660 nm ,FO LED, a matching phototransistor and an SMA-connectorised one-meter optical fiber PMMA fiber patch cord. By employing a pair of PMMA fiber patch cord and Analogue Transceiver Modules, a full duplex FO analogue transmission system is realized. A few experiments that can be conducted are: (1) Duplex system performance by far-end electrical loop-back (2) FO single-channel bi-directional audio voice communication system (3) An optically isolated industrial analogue telemetry system. HOUSING: It is housed in as elegant fiber cabinet DIMENSION: 27cms x 17cms x 10cms - 2 units WEIGHT: (Approx.) 500gms each unit POWER: 230VAC - Mains operated See Enlarge Click to Enlarge FIBER OPTICS SIMPLEX CMOS DIGITAL TRANSCEIVER TRAINER TECHNICAL SPECIFICATIONS This trainer comes with three components, namely, an SMA connectorised 660 nm FO LED, a matching phototransistor and an SMA-connectorised one-meter optical fiber PMMA fiber patch cord, CMOS Transceiver Module is to transmit and receive CMOS driven waveforms/signals via the optical fiber medium. This trainer is supplied as a fully assembled and tested, single-sided glass epoxy printed circuit board (PCB). To make the system operational, a regulated power supply of +5 Vdc and a CMOS/TTL compatible signal source are provided. An oscilloscope will also be required to study the signals. Some components have been mounted on the trainer, to facilitate easy change, by the user, to achieve desired performances. Speeds in excess of 100 KHz and distances over 20 meters can be achieved. The realization of a fiber optics digital transmission trainer using a CMOS Transceiver Module, The optical output from the LED is looped back to the detector via the PMMA patch cord. Some of the studies one can carry out on the trainer are: 1.DC characteristics of transmission system (Iled vs Ip) 2. Rise-time pulse width distortion (Iled vs Trise) 3. Fall-time pulse width distortion (Iled vs Trise) 4. Propagation delay Tp and Optimum Po for minimum pulse width distortion. This trainer comes with built-in regulated power supply of +5V DC. This trainer is fully assembled and tested, single sided glass-epoxy PCB of with multi-colour legend printing and necessary test points are provided for measurement and terminals are provided for patching the circuit. Detailed step-by-step instruction manual will be provided along with the trainer. HOUSING: It is housed in an elegant sloping metal cabinet DIMENSION: 27cms x 17cms x 10cms WEIGHT: (Approx.) 500gms POWER: 230VAC - Mains operated See Enlarge Click to Enlarge FULL DUPLEX DIGITAL CMOS TRANSCEIVER TRAINER TECHNICAL SPECIFICATIONS In this trainer by employing a pair of PMMA Fiber-optic cable in a full duplex mode, FO digital transmission system is realised. A few experiments that may be designed by the users: (1) Duplex System performance by far-end electrical loop-back (2) FO signal-channel bi-directional data communication system (3) An optically isolated industrial digital telemetry system FOLLOWING EXPERIMENTS CAN BE CONDUCTED IN THIS TRAINER 1. DC characteristics of transmission system (Iled vs Ip) 2. Rise-time pulse width distortion (Iled vs Trise) 3. Fall-time pulse width distortion (Iled vs Trise) 4. Propagation delay Tp and Optimum Po for minimum pulse width distortion. This trainer comes with fully assembled and tested, single sided glass epoxy PCB Test points are provided for measurement and Terminals are provided for patching the circuit. HOUSING: It is housed in an elegant metal cabinet DIMENSION: 27cms x 17cms x 10cms WEIGHT: (Approx.) 500GMS POWER: 230VAC - Mains operated See Enlarge Click to Enlarge FIBER OPTICS VIDEO TRANSCEIVER TRAINER TECHNICAL SPECIFICATIONS This trainer comes with three components, namely, an SMA connectorised 850nm FO LED, a matching PIN photodiode and an SMA-connectorised two-meter optical fiber GI/multimode fiber patchcord, is well described in the instruction manual. Instruction manual describes the use of FO cable and the Video Transceiver Module (VTM) (supplied as an optional necessary to Kit) to transmit and receive video signals via the optical fiber medium. This trainer is supplied as a fully assembled and tested, single-sided glass epoxy printed circuit board. To make the system operational, an internal regulated dual power supply +5 Vdc to -5 Vdc is provided. VCR and an oscilloscope will be required to study the signals. Some components have been mounted to facilitate easy change, by the user, to achieve desired performances. A bandwidth of 8 MHz is provided. SALIENT FEATURES OF THE FIBER OPTIC VIDEO TRANSMISSION MODULE: ACCESSORIES ARE NOT PART OF THE SYSTEM Electrical: Modulation Scheme : Direct Intensity Modulation Bandwidth : 8 MHz Input /Output Impedance : 50 or 75 ohms Vin / Vout Levels : 1 Vp-p Power Supply : VDC/500mA Optical: Wavelength : 850 nm Power Coupled into 960/1000 Micron PMMA Fiber : -15 dBm (min) Cable Length : 2 meters Connector Type : SMA (Sub Miniature Assembly) NOTE: T.V. Receiver and VCR are not part of the trainer. Fiber Optics Video Transmitter: The fiber optics video transmitter employs the direct intensity modulation method. The LED optical output is fairly linear over a region of the LED forward current. By employing a current feedback operational amplifier, a large bandwidth linear current driver for the LED is realized, covering the full range of the video signal. Fiber Optics Video Receiver The optical demodulator comprises a low-noise trans-impedance amplifier followed by a Wide band RF amplifier. HOUSING: It is housed in an elegant metal cabinet DIMENSION: 27cms x 17cms x 10cms WEIGHT: (Approx.) 500 GMS POWER: 230VAC - Mains operated See Enlarge Click to Enlarge PROFESSIONAL FIBER OPTICS DESIGN TRAINER TECHNICAL SPECIFICATIONS 1. General Information: This trainer is a professional three-component fiber optics kit comprising a high speed 850nm LED, a matching high performance PIN photodiode and a 2 meter 62-51125 micron graded index multimode glass fiber simplex cable, terminated with SMA(905) connectors. This kit facilitates experimenters and users to design a variety of fiber optics systems on their own. The kit can also be employed effectively to develop several professional FO products. All inputs required for the design of a simple analog and digital transmission system are covered in the Manual including the specifications of the optical and optoelectronic components used. Bandwidth of over 100 MHz are achieved with this kit using appropriate support electronic devices. 2. Basic Experiments with PMMA 850nM Fiber Optic cable (to be devised by the user): Characterization of Fiber Optics Light Emitting Diodes and PIN Photodiodes Design of Fiber Optics Analog Signal Transmission Systems Design of Fiber Optics Digital Transmission Systems. 3. Contents of the trainer: SMA Connectorised 850nm SMA Connectorised PIN Photodiode 2-Meter GIMM Glass Fiber Simplex Cable with SMA connectors (62.51125 micron; 3.5 dB/Km attenuation; 160 MHz-Km bw at 850nm) Step-by-step Instruction Manual Data Sheets of all the Components used in our trainer. (Devices, connectors and fibers) 4. Some Projects with 850 nm PMMA Fiber-optic Cable: RS232C Link/Ethernet FO Transceiver FO Sensors/Transducers FO Video Link/High Speed Data Link FO Transmission of ECL signals Optical Line Terminal Equipment FDDI Multi channel Data Transmission Conversion of Existing High Speed System Digital Kits to FO Kits 5. Simplex Cable Patchcord with GI-MM Fiber Used in our Trainer: The simplex cable with the 62.51125 graded index multimode fiber finds application for medium distance analogue (intensity modulated) and digital signal transmission upto a few hundred MHz. The all-glass fiber has a tight buffer construction and is reinforced with Caviar Yarn. It has a protective PVC outer jacket. The other salient features are given below: 1. Core/Cladding Material : Glass 2. Fiber Structure : GI 3. Core/Cladding Diameter : 62.5/125 microns 4. Atten. (850nm) : 3.5 db 5. Dist-Bandwidth : 160MHz.Km 6. Numerical Aperture : 0.27 7. Outer Diameter : 2.9 mm 8. Operating. Temp : -200to +700C 9. Connector Type : SMA (905) 10. Connector Loss : 0.6 db 6. Fiber Optics 850 nm LED used in our Trainer: The fiber Optics LED used in our trainer operates at 850nm, and typically couples 35mw into a 62.51125 micron GI MM fiber, operating at a forward current of 100ma. The LED has built-in coupling lens and is terminated with an SMA connector. Important specifications are as follows: 1. Typical Wavelength : 850nm 2. Spectral Band width : 35 nm 3. Power Output (100ma) : 35 pw (62.5/125 fiber) 4. Forward Voltage : 1.7 volts 5. Rise Time (10-90%) : 6.0 ns 6. Fall Time : 6.0 ns 7. Linearity Range : 10 to 100 mA 8. Oper. Temp : -40 to +100C 7. Fiber Optics PIN Photodiode Used in our Trainer: The fiber Optics PIN Photodiode used in our trainer is a high-speed device with peak response at 860nm, important specifications of the device are: 1. Flux Responsivity : 0.55 mA/mw 2. Dark Current : 0.1 na (typ) 3. Peak Response at : 860 nm 4. Rise Time : 2 ns (Vr = 5V) 5. Fall Time : 2.0 ns 6. Capacitance : 1.5 pf 7. Field of View : 80 degrees This trainer comes with fully assembled and tested, single sided glass epoxy PCB. Test points are provided for measurement and Terminals are provided for patching the circuit. HOUSING: It is housed in an elegant fiber cabinet DIMENSION: 36.5cms x 28cms x 9.5cms WEIGHT: (approx.) 750 GMS POWER: 230VAC-Mains operated See Enlarge Click to Enlarge TRANSMISSION OF LASER BEAM THROUGH AN OPTICAL FIBER OBJECTIVE The aim of the experiment is to study various types of losses that occur in optical fibers and measure the loss in dB of optical fiber patchcords individually and also connected in tandem using an in-line adapter. In this experiment we will be studying the losses due to core differences and losses due to core mismatches. Loss as a function of length is not possible because the lengths under consideration are too small. Loss as a function of wavelength is not possible; as we have only one source. The patchcords designated for the experiments are as follows: Cable 1:2-meter PMMA SI/MM (BLACK Jacket) Cable 2:2-meter 100/140 GI/MM (GREEN Jacket) Cable 3:2-meter 62.5/125 GI/MM (GRAY Jacket) The experiment may be repeated for other patchcords if available. Housing: It is housed in sloping an elegant metal cabinet(CNC machine finish) Dimension: 27cms x 17cms x 10cms Weight: (Approx.) 1KG Power: 230 VAC - Mains operated See Enlarge [1] 2 [ Next»] Go to Top