passive optical components
isolators
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Free space optical isolator with pigtail typeYD-1100 type |
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In-Iine optical isolator : YD-3600(Single)YD-4600(Dual) |
circulators
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Optical circulator : YC-1100type |
attenuators
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YS-5010type |
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YS-5020type |
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YS-5220type |
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Free Space Variable Optical AttenuatorYS-520type, YS-521type |
optical filter module
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BPF, SPF ,LPF |
polarisation beam combiner
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YM-131 type |
Filter Wavelength Division Multiplexer
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FWDM 1310/1550nm |
coupler/splitter
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Single Window Fused Singlemode Coupler |
Free space optical isolator with pigtail type
Features
- Polarization-dependent
- High isolation (30dB min. at lþ. Room temperature)
- Low insertion loss (0.50dB max at lþ. Room temperature)
Center wavelength [lþ]
- YD-1100-130: 1310nm
- YD-1100-148: 1480nm
- YD-1100-155: 1550nm
In-Iine optical isolator : YD-3600(Single)YD-4600(Dual)
YD-3600 and YD-4600 are polarization independent optical isolators. Using high-level adjustment techniques and original precision fiber collimators in their input / output sections, these isolators achieve high isolation, low insertion loss and high reliability.
- Polarization independent
- Low polarization mode dispersion
- Low insertion loss
- High isolation
→ Go to FDK product website for specifications
Optical circulator : YC-1100type
This optical circulator is a passive device for optical
transmission systems and sensing systems, applying the
Faraday effect of magneto-optical crystal.
Features
- Compact size
- Low PDL
- Low insertion Loss
- High stability
Variable Optical Attenuator : YS-5010type
The YS-5010 is a variable optical attenuator applying the Faraday effect of magneto-optical crystals. The attenuation levels can be adjusted continuously by current control. Due to the exclusion of any moving parts, it has attained a high reliability and rapid response.
Features
- Compact size (Cylindrical)
- Non-Mechanical (using Magneto-optics technology)
- High reliability
- Fast response
- Current control
YS-5020type
The YS-5020 is a variable optical attenuator applying the Faraday effect of magneto-optical crystals. This VOA have faster response speed than YS-5010 type. The response time is typical 30µsec.
Features
- Compact size (Cylindrical)
- Non-Mechanical (using Magneto-optics technology)
- High reliability
- Fast response (Typ.30µsec)
- Voltage control
YS-5220type
The YS-5220 is a variable optical attenuator applying the Faraday effect of magneto-optical crystals. This VOA has Dark character (Maximum attenuation at 0mA). The response time is typical 30msec.
Features
- Dark Characteristic (Max. attenuation at 0mA)
- Compact size (Cylindrical)
- Non-Mechanical (using Magneto-optics technology)
- High reliability
- Fast response (Typ.30µsec)
- Current control
Free Space Variable Optical Attenuator
Free Space Variable Optical Attenuator (FS-VOA) is the non-pigtailed VOA. And it has fast response characteristic. Response time is typically, 10µsec. This FS-VOA can be used by integrated or mounted in the same package of laser diode or photo diode.
Features
- Minimum size
- Non-Mechanical (using Magneto-optics technology)
- High reliability
- Fast response (Typ.10µsec)
- Designed for LD/PD modules
Polarization Beam Combiner: YM-131type
YM-131 series is three-port polarization beam combiner with optical crystal. This device is connected to the Erbium doped fiber amplifier to increase the pumping power (example). Available for use as polarization splitter
Features
- Designed for Raman amplifier & Pump combiner
- Low insertion loss: 0.25dB Typical
- High reliability
Optical Filter Module: YM-123, YM-124, YM-125
Filter Module is filter of band pass, short wavelength pass or long wavelength pass for the optical fiber transmission. The filter is based on the thin film technology. The filter module is designed by a customer’s individual request.
Features
- Narrow band pass filter (BPF)
- Short wavelength pass filter (SPF)
- Long wavelength pass filter (LPF)
- Low loss
- High temperature stability
- Filter design by customer’s request
1310/1550nm Filter Wavelength Division Multiplexer
This device is to combine or separate 1310nm and 1550nm band signal. Valdor wavelength division multiplexers are based on thin
film filtered technology. This device offers very flat and wide pass band, high isolation and low insertion. Valdor products are epoxyfree and Telecordia GR-1209 compliant.
Features
- Wide Operating Wavelength Range
- Compact Size
- Telecordia GR-1209 Compliant
- Epoxy-Free Lightpath
- High Channel Isolation
- Low PDL
Applications
- Bi-Directional WDM Systems
- Uni-Directional Systems
- Fiber Optic Instrumentation
- System Monitoring
- CATV
Wavelength Division Multiplexer Data Sheet
Single Window Fused Singlemode Coupler
Valdor manufactures a broad range of couplers and Wavelength Division Multiplexers (WDM’s) designed to distribute traffic and
increase capacity on fiber networks without installing additional cable. Valdor employs ultra-reliable fused taper technology with a
computer controlled fabrication station. Valdor offers components that feature low insertion loss, excellent stability and long term
reliability. All couplers are available in a variety of packaging styles and performance levels to maximize product compatibility with
specific network requirements. Custom Configurations are available, and Valdor’s technical staff can assist you in designing a unit to
meet your specific requirements.
Features
- Single Window
- Ultra Low Polarization Sensitivity
- Excellent Directivity
- Telecordia GR-1209 &1221 Compliant
Applications
- Telecommunications
- CATV
- Network Monitoring
- Local Area Network
