JDS Uniphase RM3750 user manual Measuring Relative Power Insertion Loss, Measuring Absolute Power

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RM3 SERIES BACKREFLECTION METER

USER’S MANUAL

4.Connect the output connector of the DUT to the detector on the front of the meter. The detector must be equipped with the appropriate detector adapter. The RM meter displays the DUT absolute power output (Figure 8).

5.If a measurement is to be made at a second wavelength, repeat steps 2 to 4.

Figure 8: Measuring Absolute Power

Measuring Relative Power (Insertion Loss)

The value for relative power is the negative value of the insertion loss, for example -31 dB instead of 31 dB. Relative power is displayed by the meter in dB.

To make a relative power measurement of a DUT after performing the setup steps in the Setting Up the Meter for Loss and Power Measurements section:

1.Press the Power key to set the meter to Relative Power mode. In Relative Power mode, the meter displays P at the beginning of the reading and rel at the end, for example, P = -0.15 dB rel.

2.Press the λ key to select the wavelength at which the measurement is to be made.

3.Clean the output connector of the measurement jumper and the input connector of the DUT, and connect the two connectors. Connect the output connector of the DUT to the detector on the front of the meter. The meter displays the loss due to the DUT (Figure 9).

4.Press the λ key to measure and display the loss at another wavelength.

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Contents User’s Manual RM3 Series Backreflection MeterContents Programming Guide Customized Features and Test DataSafety Information Safety Information, Instructions, and SymbolsClass Laser Product Operating the Unit Safety InstructionsBefore Initializing and Operating the Unit RM3 Series Backreflection Meter USER’S Manual Proceeding Safety SymbolsSymbol FDA-CDRH Compliance CSA / IEC Compliance ComplianceCE Compliance RM3 Series Backreflection Meter USER’S Manual General Information General Information and SpecificationsBackreflection Measurements Loss and Power MeasurementsOutput Port Key FeaturesInternal Light Sources Hybrid JumpersApplications Standard AccessoriesOptional Accessories Parameter Specification Single-mode Multimode SpecificationsFlexcor is a trademark of CorningR Environmental ElectricalPhysical Initial Inspection Getting StartedBefore Initializing and Operating the Unit Storing and Shipping Operating EnvironmentCleaning Connectors Connector Cleaning connector type can vary Powering Up the MeterKey/LED Description Operating and Maintenance InstructionsFront Panel Termination Techniques Rear PanelComponent Function Termination Techniques for Single-mode Fiber except 980 nmMeasuring Backreflection for Single-mode except 980 nm Backreflection Measurements Setting Up the Meter for Backreflection MeasurementsMeasuring Backreflection Backreflection Accuracy and Range Loss and Power MeasurementsSetting Up the Meter for Loss and Power Measurements Loss and Power Measurements Measuring PowerMeasuring Absolute Power Measuring Relative Power Insertion LossMessages and Symbols Data Logging Using the Foot PedalPower Accuracy Display DescriptionStabilizing Calibrating the MeterPower Calibration Adjustment Backreflection Calibration AdjustmentMaintaining the Meter Cleaning the UnitCleaning the Connector Ends Troubleshooting Recharging the BatteryReplacement of Internal Fuses Long Cables for single mode model only, except 980 nm model Front Panel ConnectorsLoss Before the DUT Reflections Before the DUTLaser Stability Other Display Problem SolutionCalibration Up the Meter for BackreflectionName Symbol Pin Number Signal Direction RS232 Interface SpecificationsProgramming Guide RS232 Serial InterfaceCommand Action Switch Setting Meaning Left Dip SwitchRight Dip Switch RS232-GPIB ConverterRS232 Interface Program Example Programming ExamplesCustomized Features and Test Data

RM3750 specifications

The JDS Uniphase RM3750 is a cutting-edge optical spectrum analyzer that has garnered attention in various telecommunications and photonics applications. Renowned for its versatility and accuracy, the RM3750 combines advanced technologies to provide users with unprecedented measurement capabilities, making it an essential tool for researchers and engineers working in fiber optics, laser development, and spectral analysis.

One of the standout features of the RM3750 is its wide dynamic range. This feature allows users to obtain precise measurements across a broad spectrum of optical signals, which is crucial in environments where signal strength can vary significantly. The analyzer is designed to handle both high-intensity signals and weak optical events, ensuring that no detail is missed during analysis.

The RM3750 incorporates a high-resolution detection mechanism that enables it to distinguish closely spaced wavelengths. This characteristic is particularly beneficial in applications where wavelength spacing is minimal, such as in dense wavelength division multiplexing (DWDM) systems. The high resolution also allows for accurate characterization of spectral features, including signal peaks and noise.

In addition to its impressive measurement capabilities, the RM3750 supports advanced analysis and real-time monitoring. Users can visualize spectral data through an intuitive graphical interface, which aids in the quick interpretation of results. The instrument is equipped with real-time data processing capabilities, allowing users to observe changes in optical signals as they occur, a critical feature for dynamic environments like live signal monitoring.

The JDS Uniphase RM3750 is not only about hardware; it also comes with an array of software tools designed to enhance functionality and ease of use. These tools allow for automated measurements, data logging, and integration with other laboratory instruments. Moreover, the ability to export data in various formats facilitates easy sharing and analysis across platforms.

Another notable characteristic of the RM3750 is its compact design and robust build quality. This ensures that it can operate effectively in demanding laboratory conditions while being portable enough for field applications.

In conclusion, the JDS Uniphase RM3750 optical spectrum analyzer stands out for its combinations of wide dynamic range, high resolution, real-time monitoring, and user-friendly software integration. These characteristics make it an exceptional tool for professionals in telecommunications and optical research, enabling them to conduct more accurate and insightful measurements.
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