Mohan Electronics & Systems

OPTIVISION Optical Fiber Patch Cord – SC/UPC 1. Product Description

The Optical Fiber Patch Cord SC/UPC is a factory-terminated fiber optic cable assembly equipped with SC/UPC (Ultra Physical Contact) connectors on one or both ends. It is designed for reliable optical signal transmission in telecommunications networks, data centers, FTTH deployments, and optical distribution systems.

The SC/UPC connector provides low insertion loss and moderate return loss, suitable for most general-purpose single-mode and multimode applications.

2. Standards ComplianceThe patch cord shall comply with the following standards:

• IEC 61754-4 (SC connector interface standard)

• IEC 61755-3-1 (UPC connector performance standard)

• ITU-T G.652.D / G.657 (for single-mode fiber)

3. Connector Specifications 4. Optical CharacteristicsA. Single Mode (OS2 – 9/125 µm)
5. Mechanical Characteristics 6. Environmental Specifications
7. Quality Assurance

• 100% factory tested for insertion loss and return loss

• End-face geometry inspected

• Visual inspection under 400x microscope

8. Applications

• FTTH (Fiber to the Home)

• LAN/WAN networks

• Data centers

• Optical Distribution Frames (ODF)

• Telecommunication backbone systems

• Patch panels and fiber management systems

9. Available Configurations

• SC/UPC to SC/UPC

• SC/UPC to LC/UPC

• SC/UPC to ST/UPC

• SC/UPC to FC/UPC

• Standard lengths: 1m, 2m, 3m, 5m, 10m, 15m, 20m

Technical Specification OPTIVISION Optical Fiber Patch Cord – SC/APC 1. Product Description

The Optical Fiber Patch Cord SC/APC is a factory-terminated fiber optic cable assembly with SC/APC (Angled Physical Contact) connectors on one or both ends. It is designed for high-performance optical transmission systems requiring low insertion loss and high return loss, particularly in FTTH, CATV, PON, and telecommunications networks.

2. Standards Compliance

The patch cord shall comply with the following standards:

• IEC 61754-4 (SC connector interface standard)

• IEC 61755-3-2 (APC connector performance standard)

• IEC 61300 (fiber optic interconnecting devices testing procedures)

• RoHS compliant materials

3. Connector Specifications
4. Optical Characteristics For Single Mode (OS2 – 9/125 µm)
For Multimode (if applicable) (Note: SC/APC is typically used with single-mode fiber.)

5. Mechanical Characteristics

6. Environmental Specifications 7. Applications

• FTTH (Fiber to the Home)

• GPON / EPON networks

• CATV distribution systems

• Telecommunication network

Technical Specification OPTIVISION PLC Splitter 1×2 (Planar Lightwave Circuit)1. Product Description

The PLC Splitter 1×2 is a passive optical power management device based on Planar Lightwave Circuit (PLC) technology. It is designed to split one optical input signal into two equal output signals with uniform power distribution.

The splitter is suitable for use in PON networks (GPON/EPON), FTTH deployments, CATV systems, and optical distribution networks.

2. Standards Compliance

The PLC splitter shall comply with the following standards:

 

• ITU-T G.657 / G.652 (fiber standard)

• IEC 61300 (fiber optic interconnecting devices and passive components – test procedures)

• Telcordia GR-1209-CORE

• Telcordia GR-1221-CORE

• RoHS compliant

3. Configuration
4. Optical Characteristics
5. Mechanical Specifications
6. Environmental Specifications
7. Reliability & Durability

• Fully passive device (no power required)

• High stability across full wavelength range

• Low temperature sensitivity

• Designed for long-term outdoor and indoor use

• Compliant with Telcordia reliability standards

8. Applications

• FTTH (Fiber to the Home)

• GPON / EPON networks

• Passive Optical Networks (PON)

• Optical Distribution Frames (ODF)

• CATV optical distribution

• Data communication networks

9. Performance Diagram (Conceptual)

Input (1 fiber) → PLC chip → 2 equal output fibers (50% optical power each)

Technical Specification OPTIVISION PLC Splitter 1×4 (Planar Lightwave Circuit)1. Product Description

The PLC Splitter 1×4 is a passive optical power distribution device based on Planar Lightwave Circuit (PLC) technology. It divides one optical input signal into four equal output signals with uniform power distribution across all output ports.

The device is designed for high-reliability optical distribution in Passive Optical Networks (PON), FTTH systems, CATV networks, and telecommunication infrastructure.

2. Standards Compliance

The splitter shall comply with:

 

• ITU-T G.652.D / G.657.A1 / G.657.A2 (Single-mode fiber standards)

• IEC 61300 (Fiber optic passive component test procedures)

• Telcordia GR-1209-CORE

• Telcordia GR-1221-CORE

• RoHS compliant

3. Configuration
4. Optical Characteristics
5. Mechanical Specifications
6. Environmental Specifications
8. Applications

• FTTH (Fiber to the Home)

• GPON / EPON systems

• Optical Distribution Networks (ODN)

• Optical Distribution Frames (ODF)

• CATV optical networks

• Telecommunication backbone systems

9. Testing & Quality Control

• 100% factory tested before shipment

• Individual insertion loss measurement

• End-face inspection (if connectorized)

• Serial number traceability (optional)

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OPTIVISION FBT triple window ratio coupler is a passive optical power-splitting device manufactured using Fused Biconical Taper (FBT) technology, designed to distribute or combine optical power among multiple output ports with predefined coupling ratios across three specified wavelength windows.
1. OverviewThe device is fabricated by twisting and fusing two or more optical fibers under controlled heat and tension to form a tapered interaction region. During the fusion process, optical power transfers between the fiber cores via evanescent field coupling. By precisely controlling the taper geometry and elongation, specific power splitting ratios are achieved. A triple window ratio coupler is optimized to operate over three wavelength bands—typically:2. Operating Principle

In FBT technology:

1. Two (or more) fibers are aligned and twisted together.

2. The fibers are heated using a flame, filament, or CO₂ laser.

3. The softened region is stretched to form a biconical taper.

4. Optical coupling occurs in the tapered waist due to overlapping evanescent fields.

The coupling ratio is determined by:

• Taper length

• Taper diameter

• Fusion temperature profile

• Pulling speed

• Wavelength dependency of mode propagation

 

Because FBT couplers are wavelength-sensitive, triple window designs require careful process optimization to balance coupling ratios across all three operating wavelengths.

3. Key Technical Specifications

Typical parameters include:

 

• Configuration: 1×2, 2×2, or multiport

• Operating Wavelengths: 850 / 1310 / 1550 nm

• Split Ratios: Custom (e.g., 50:50, 70:30, 90:10, or asymmetric)

• Insertion Loss: ≤ 3.5 dB (50:50 type typical)

• Excess Loss: ≤ 0.2–0.5 dB

• Polarization Dependent Loss (PDL): ≤ 0.1 dB (typical)

• Return Loss: ≥ 50 dB

• Operating Temperature: −40°C to +85°C

• Fiber Type: Single-mode (e.g., G.652) or multimode

• Packaging: Steel tube, ABS module, or LGX cassette

4. Performance Characteristics Wavelength Dependency

Unlike planar lightwave circuit (PLC) splitters, FBT couplers exhibit wavelength-dependent coupling behavior. In triple window designs, the coupling ratio is specified separately for each wavelength band to ensure controlled performance variation.

Environmental Stability

Proper packaging ensures:

• Mechanical stability

• Thermal stability

• Long-term reliability

• Low aging drift

Cost Efficiency

FBT couplers are generally more cost-effective than PLC splitters for:

• Low port-count applications

• Custom split ratios

• Short-distance networks

5. Applications

• Optical signal distribution

• CATV networks

• Fiber optic sensing systems

• Local area networks (LAN)

• Test and measurement systems

• Redundant optical path systems

6. Advantages

• Customizable split ratios

• Low excess loss

• Simple fabrication process

• Suitable for small splitting configurations

• Cost-effective for non-uniform splitting

OPTIVISION : Fiber Protection Sleeve – Technical Specifications

A fiber protection sleeve (also called a heat-shrink splice protection sleeve) is a mechanical reinforcement device designed to protect fusion-spliced optical fibers from mechanical stress, moisture ingress, and environmental exposure. It provides strain relief and restores tensile strength at the splice point.

1. Construction

A standard fiber protection sleeve consists of three main components:

 

1. Outer Heat-Shrink Tube

   • Material: Polyolefin (cross-linked)

   • Function: Environmental sealing and mechanical protection

2. Strength Member

   • Material: Stainless steel rod or ceramic rod

   • Function: Reinforces the splice area and prevents bending stress

3. Inner Adhesive Tube

   • Material: EVA (Ethylene Vinyl Acetate) or hot-melt adhesive

   • Function: Bonds to fiber coating during heating to seal against moisture and contaminants

2. Mechanical Specifications

Micro sleeves (for high-density trays) typically have 1.2–1.5 mm final outer diameter.

3. Thermal Specifications

 

• Shrink Temperature: 110°C – 130°C

• Full Recovery Time: 30 – 60 seconds (depending on heater type)

• Operating Temperature Range: −40°C to +85°C

• Storage Temperature: −40°C to +85°C

4. Optical Performance

• No measurable additional insertion loss after proper installation

• No induced back reflection

• Compatible with single-mode and multimode fibers

• Suitable for G.652, G.657, and multimode fiber types

5. Environmental Performance

• Moisture-resistant sealing

• Resistant to vibration and mechanical shock

• Compliant with RoHS environmental standards

• UV-resistant (for outdoor applications)

7. Standards Compliance

Typical compliance with:

• IEC 61753 (fiber optic interconnecting devices performance standard)

• Telcordia GR-1380 (generic requirements for splice protectors)

• RoHS Directive

8. Applications

• Fiber optic fusion splice protection

• FTTH networks

• Telecommunications backbone systems

• CATV networks

• Data centers

• Industrial fiber installations

Technical Specification OPTIVISION PLC Splitter 1×8 (Planar Lightwave Circuit)1. Product Description

The PLC Splitter 1×8 is a passive optical power distribution component based on Planar Lightwave Circuit (PLC) technology. It divides one optical input signal into eight equal output signals with uniform power distribution and low insertion loss.

The splitter is designed for use in Passive Optical Networks (PON), FTTH systems, CATV distribution, and telecommunication networks requiring stable and reliable signal splitting over a wide wavelength range.

2. Standards Compliance

The PLC splitter shall comply with the following standards:

• ITU-T G.652.D / G.657.A1 / G.657.A2

• IEC 61300 (Fiber optic passive component testing procedures)

• Telcordia GR-1209-CORE

• Telcordia GR-1221-CORE

• RoHS compliant

3. Configuration 4. Optical Characteristics 5. Mechanical Specifications 6. Environmental Specifications 7. Reliability & Performance

• Fully passive device (no electrical power required)

• High reliability and stability over full wavelength range

• Low temperature sensitivity

• Designed for indoor and outdoor deployment

• Expected operational life ≥ 20 years under standard conditions

8. Applications

• FTTH (Fiber to the Home)

• GPON / EPON systems

• Optical Distribution Network (ODN)

• CATV optical transmission systems

• Telecommunication backbone networks

9. Testing & Quality Control

• 100% factory tested for insertion loss and uniformity

• Individual port measure