Comprehensive Fibre Optics Kit by Philip Harris

Comprehensive Fibre Optics Kit by Philip Harris

G1008402

Product code: G1008402

This system enables the basic properties of optical fibres to be investigated and the ideas then extended to demonstration of some of the principal scientific and commercial uses. The low-cost plastic fibre may be cut to any desired length with a sharp knife and does not require any special terminating devices. It is also completely non hazardous. The system comprises a transmitter, a receiver (both built onto P.C. boards 120mm x 150mm) and a 25m length of optical fibre. 20m of this is intended for speed of light determination and long distance communication demonstrations.

Additional items required:

  • Smoothed Power Supply Unit (College PSU or similar)
  • Power Amplifier 
  • Loudspeaker
  • Oscilloscope
  • High Resistance Voltmeter

Technical Specifications:

Transmitter:

  • Light source: High intensity red LED, output at 630nm.
  • Modulation: Internal or external. The internal modulation source is a 300kHz oscillator (normally used for the speed of light experiment).
  • External modulation input: 0 to 2V d.c. linear, up to 5V digital, or a.c. coupled via external capacitor (not supplied).
  • External modulation frequency range: d.c. to greater than 300kHz, TTL compatible.
  • Monitor output: 0 to 2.5V, for connection to an oscilloscope, or to measure the LED operating current.
  • Power requirements: 5 to 6V smooth d.c., reverse polarity protected.
  • Terminations, Optical: simple push in connection for 1mm diameter optical fibres.
  • Terminations, Electrical: all connections by both 2mm and 4mm sockets.

Receiver:

  • Input: Solid state photo-detector.
  • Output 1: d.c. to greater than 5kHz, for connection to meters etc. and general analogue audio signals.
  • Output 2: High speed digital output, 0 to 5V from below 20Hz to above 300kHz.
  • Controls: Two, providing for zero-set and gain on output 1.
  • Power requirements: 5 to 6V smooth d.c. reverse polarity protected, (the transmitter and receiver may share the same power supply if desired).
  • Terminations, Optical: simple push-in connection for 1mm diameter optical fibres.
  • Terminations, Electrical: all connections by both 2mm and 4mm sockets.
  • Requires a Smoothed DC Power Supply.
  • Both boards can be powered using the same Power Supply.
  • Visualisation possible using an oscilloscope.

Further Information

Age Recommended from
11 Years
Power Requirements
5 to 6V smooth d.c.
reverse polarity protected
Product Type
Fibre Optics Kit
Receiver Input
Solid state photo-detector
Receiver Output 1
d.c. to greater than 5kHz
Receiver Output 2
0 to 5V from below 20Hz to above 300kHz
Transmitter External Modulation
0 to 2V d.c. linear
up to 5V digital
Transmitter Internal Modulation
300kHz oscillator
Transmitter Light Source
High intensity red LED
Output at 630nm

Documents

This system enables the basic properties of optical fibres to be investigated and the ideas then extended to demonstration of some of the principal scientific and commercial uses. The low-cost plastic fibre may be cut to any desired length with a sharp knife and does not require any special terminating devices. It is also completely non hazardous. The system comprises a transmitter, a receiver (both built onto P.C. boards 120mm x 150mm) and a 25m length of optical fibre. 20m of this is intended for speed of light determination and long distance communication demonstrations.

Additional items required:

  • Smoothed Power Supply Unit (College PSU or similar)
  • Power Amplifier 
  • Loudspeaker
  • Oscilloscope
  • High Resistance Voltmeter

Technical Specifications:

Transmitter:

  • Light source: High intensity red LED, output at 630nm.
  • Modulation: Internal or external. The internal modulation source is a 300kHz oscillator (normally used for the speed of light experiment).
  • External modulation input: 0 to 2V d.c. linear, up to 5V digital, or a.c. coupled via external capacitor (not supplied).
  • External modulation frequency range: d.c. to greater than 300kHz, TTL compatible.
  • Monitor output: 0 to 2.5V, for connection to an oscilloscope, or to measure the LED operating current.
  • Power requirements: 5 to 6V smooth d.c., reverse polarity protected.
  • Terminations, Optical: simple push in connection for 1mm diameter optical fibres.
  • Terminations, Electrical: all connections by both 2mm and 4mm sockets.

Receiver:

  • Input: Solid state photo-detector.
  • Output 1: d.c. to greater than 5kHz, for connection to meters etc. and general analogue audio signals.
  • Output 2: High speed digital output, 0 to 5V from below 20Hz to above 300kHz.
  • Controls: Two, providing for zero-set and gain on output 1.
  • Power requirements: 5 to 6V smooth d.c. reverse polarity protected, (the transmitter and receiver may share the same power supply if desired).
  • Terminations, Optical: simple push-in connection for 1mm diameter optical fibres.
  • Terminations, Electrical: all connections by both 2mm and 4mm sockets.
  • Requires a Smoothed DC Power Supply.
  • Both boards can be powered using the same Power Supply.
  • Visualisation possible using an oscilloscope.

Further Information

Age Recommended from
11 Years
Power Requirements
5 to 6V smooth d.c.
reverse polarity protected
Product Type
Fibre Optics Kit
Receiver Input
Solid state photo-detector
Receiver Output 1
d.c. to greater than 5kHz
Receiver Output 2
0 to 5V from below 20Hz to above 300kHz
Transmitter External Modulation
0 to 2V d.c. linear
up to 5V digital
Transmitter Internal Modulation
300kHz oscillator
Transmitter Light Source
High intensity red LED
Output at 630nm

Documents

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