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We offers source to fiber couplers with built in attenuators or shutters.
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These couplers provide a precise method to control the intensity of light through a fiber.They are available in both receptacle style and pigtail style.
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Source couplers are available with both manual and electrically controlled attenuators.
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In the manual version, the beam from the laser is partially blocked by a precision blocking screw.
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Adjusting the screw controls how much light reaches the fiber.
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In the electrically controlled version, a stepper motor controls the amountof attenuation.
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It includes a homing sensor to calibrate the attenuator against.
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The stepper motor is available with several options for control.
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The basic model provides direct access to the motor as well as logiclevel output for the HOME sensor.
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The -DR option adds a high speed driver circuit that accepts four logic level signals to control the motor.
Fiber Optics 
: 
: + 603 - 89412300 
: + 603 - 89415300 
