New Focus 1434 User Manual

Fiber-coupled, ultrahigh-speed photodetector modules

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Summarization of Contents

Handling Precautions
Quick Start
Provides step-by-step instructions for initial setup and operation of the photodetector modules.
Operation
Checking the battery and offset voltage
Details the procedure for verifying battery status and DC offset for proper detector function.
Making the Microwave Connection
Guides on connecting the photodetector module's microwave output to measurement instruments.
Aligning the Photodetector to the Optical Input
Provides instructions on correctly coupling optical fibers to the photodetector input to prevent signal distortion.
Appendices
Replacing the battery
Step-by-step guide on how to safely remove and replace the 9V battery in the photodetector module.
Appendix 1: Using an Optical Fiber
Discusses factors affecting bandwidth and modal distortion in single-mode optical fibers for photodetector use.
Appendix 2: Using the Correct Microwave Connector
Explains the importance of RF connector compatibility and lists common connectors with their frequency ranges.
Appendix 3: Inside the Photodetector Module
Describes the internal components and circuitry of the photodetector module, including its housing and fiber connection.
Troubleshooting
DC Offset Voltage
Procedure to check DC offset voltage and identify potential photodiode damage or issues.
Checking the Battery
Details how to test the photodetector's battery level using the Bias Monitor port.
Basic Optical Test
Describes a simple test to verify the photodetector's functionality using a voltmeter or oscilloscope.
Cleaning the Fiber Connector
Provides detailed instructions for cleaning the fiber connector to ensure optimal signal transmission.
Warranty, Service & Support
Technical Support
Information on how to contact technical support engineers for assistance with product operation and troubleshooting.
Service
Instructions for returning malfunctioning or damaged units for evaluation and repair.

Table of Contents