GR 2883 CORE : ISSUE 1

Preface
1. Introduction
1.1 The Purpose and Scope of Document
1.2 Requirements Terminology
1.3 Requirement Labeling Conventions
1.3.1 Numbering of Requirement and Related Objects
1.3.2 Requirement, Conditional Requirement, and
              Objective Object Identification
1.4 Organization
2. General Information
2.1 Fiber Optic Filter Types
2.2 Fiber Optic Filter Technology
2.2.1 Dielectric Interference Coatings
2.2.2 Fiber Optic Bragg Gratings
2.2.3 Fiber Fabry-Perot Filters
2.3 Fiber Optic Filter Applications
2.3.1 Fiber Optic Filters in EDFAs
2.3.1.1 Optical Pump Filters for EDFAs
2.3.1.2 EDFA Pump Power Suppression/Recycling
2.3.1.3 ASE Suppression in EDFAs
2.3.1.4 Gain Flattening in EDFAs
2.3.2 Fiber Optic Filters in Multiwavelength
              Networks
2.3.2.1 Wavelength Add-Drop Multiplexers (WADMs)
2.3.3 Fiber Optic Filters in Remote Fiber Test Systems
2.3.4 Non-Intrusive Remote Fiber Testing
2.3.4.1 Specific Testing Techniques
3. General and Design Criteria
3.1 Documentation
3.1.1 General Documentation
3.1.2 Workcenter Information Package
3.2 Marking, Packaging and Shipping
3.3 Physical Design Criteria
3.3.1 Optical Fiber
3.3.2 Optical Connectors
3.3.3 Materials
3.3.3.1 Toxicity
3.3.3.2 Corrosion Resistance
3.3.3.3 Dissimilar Metals
3.3.3.4 Fungus Resistance
3.3.3.5 Flammability
3.3.4 Safety
3.3.5 Mounting
3.3.5.1 Central Office Location
3.3.5.2 Outside Plant Location
4. Performance Criteria
4.1 Optical Criteria
4.1.1 Optical Bandwidth/Passband and Center Wavelength
4.1.2 Insertion Loss
4.1.3 Flatness
4.1.4 Wavelength Isolation or Optical Crosstalk
4.1.5 Reflectance
4.1.6 Polarization-Dependent Loss (PDL)
4.1.7 Other Optical Criteria for Dense WDM Systems
4.1.7.1 Center Wavelength Misalignment
4.1.7.2 Polarization Sensitivity of Center Wavelength
              and Optical Bandwidth
4.1.7.3 Temperature Sensitivity
4.2 Environmental Criteria
4.2.1 Operating Environment
4.2.2 Non-Operating Environment
4.2.3 Shock Criteria
4.2.3.1 Shipment from Manufacturer
4.2.3.2 Local Transportation
4.2.3.3 During Use
4.2.4 Vibration Test
4.2.5 Airborne Contaminants
4.2.6 Flex Test
4.2.7 Twist Test
4.2.8 Side Pull
4.2.9 Cable Retention
5. Performance Verification/Test Procedures
5.1 Optical Testing
5.1.1 Optical Passband/Bandwidth
5.1.2 Insertion Loss
5.1.3 Flatness
5.1.4 Wavelength Isolation or Optical Crosstalk
5.1.5 Reflectance
5.1.6 Polarization-Dependent Loss (PDL)
5.1.7 Other Optical Criteria for Dense WDM Systems
5.1.7.1 Center Wavelength Misalignment
5.1.7.2 Polarization Sensitivity of Center Wavelength
              and Optical Bandwidth
5.1.7.3 Temperature Sensitivity
5.2 Environmental Testing
5.2.1 Operating Environment
5.2.2 Non-Operating Environment
5.2.3 Shock Tests
5.2.3.1 Shipment from Manufacturer
5.2.3.2 Local Transportation
5.2.3.3 In Use
5.2.4 Vibration Test
5.2.5 Airborne Contaminants Test
5.2.6 Flex Test
5.2.7 Twist Test
5.2.8 Side Pull
5.2.9 Cable Retention
6. Reliability and Quality Assurance Program
6.1 Reliability Assurance Requirements Philosophy
6.2 Overview of Reliability Assurance
6.3 Qualification Criteria
6.3.1 Characterization
6.3.2 Reliability Tests
6.3.3 Failure Rate Prediction
6.3.4 Optical Adhesives
6.3.5 Quality Assurance and Lot Controls
6.3.5.1 Visual Inspection
6.3.5.2 Optical Testing
6.3.5.3 Stress Screening
6.3.6 Optical Adhesives
6.3.7 Optical Connectors
6.3.8 Optical Fiber
6.4 Quality and Reliability Criteria
6.4.1 Reliability Assurance
6.4.2 Quality Technology Program
References
Acronyms
Glossary
List of Figures
Figure 2-1. Block diagram of a fiber optic filter
Figure 2-2. Forming a grating structure in an optical
              fiber
Figure 2-3. 1480 nm pump filter in an EDFA
Figure 2-4. Pump power suppression using a longpass filter
              at the amplifier output
Figure 2-5. Fiber Bragg grating filter for pump power
              reflection
Figure 2-6. Broadcast-and-select WDM star network
Figure 2-7. (a) Wavelength-routing WDM network and (b)
              associated wavelength assignment table
Figure 2-8. WADM using optical circulators
Figure 2-9. WADM using dielectric thin film bandpass
              filters
Figure 2-10. General Schematic: Non-Intrusive Testing of
              Optical Network
Figure 2-11. WDM/Filter Technique for Non-Intrusive Testing
Figure 2-12. Coupler/Filter Technique for Non-Intrusive Testing
Figure 3-1. Generic Frame Mountable Filter
Figure 3-2. Possible Filter Location in a Central Office
Figure 3-3. Example of a Filter Mounted in an OSP Closure
Figure 6-1. Elements of a Comprehensive Reliability Assurance
              Program
List of Tables
Table 4-1. Summary of Fiber Optic Filter Performance Criteria
              and Test Sequence
Table 4-2. Optical Passband/Center Wavelength Criteria
Table 4-3. Tensile Loads for Mechanical Tests
Table 4-4. Fiber Retention Loads
...Table 1. (R) Required Reliability Tests
Table 6-1. Test Matrix for Demonstrating Acceleration
              Factors [Relative Humidity as a Function of
              Temperature and Absolute Humidity]
...Table 2. (O) Sample Format for Reporting Failure Rate
              Predictions
...Table 3. (O) Sample Report Format for Reliability Test
              Status

Gives Telcordia's preliminary view of proposed generic criteria for single-mode fiber optic filters for use in Local Exchange Carrier (LEC) and other telecommunications networks employing optical communications systems that utilized Optical Fiber Amplifiers (OFAs), Wavelength Division Multiplex (WDM) systems, Dense WDM (DWDM) systems, and in non-intrusive testing of optical networks using Remote Fiber Testing Systems.