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405nm 1x2 PM Fused Coupler

Fused couplers are used to split optical signals between two (or more) fibers or to combine optical signals from two (or more) fibers into one fiber. They are constructed by fusing and tapering the fibers together. This method creates a simple, rugged, compact method of splitting or combining optical signals. Typical excess losses are as low as 0.2 dB, while split ratio tolerances range from ±5% to ±0.5% at design wavelengths depending upon the splitting ratio. These devices are bidirectional and offer low backreflection and insertion losses.

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Product Description

405nm 1x2 PM Fused Coupler


Features				Applications
High Power Handling				Coherent Communication
Low Insertion Loss				Power Monitor
High Stability & Reliability				Fiber Sensor

Specifications
Parameter			Unit		Value
Center Wavelength			nm		405
Operating Bandwidth			nm		±5
Max. Excess Loss @23℃			dB		3.0
Min. Extinction Ratio @23℃			dB		14
Splitting Ratio			%		50/50
Splitting Ratio Tolerance			%		±4
Min. Directivity @23℃			dB		50
Min. Return Loss @23℃			dB		50
Max. Optical Power (CW)			mW		300
Fiber Type			-		PM Panda Fiber
Package Dimensions			mm		Φ3*54
Operating Temperature			℃		-5~+70
Storage Temperature			℃		-40~+85
With connectors, the handling power is 100mW only, IL is 1.5dB higher, RL is 5dB lower, and ER is 2dB lower.
Connector key is aligned to slow axis.
Package Dimensions

Ordering Information
PMFUC-①①①-②③③-④④④-⑤⑥-⑦-⑧⑧⑧
①①①	- Wavelength:	405=405nm, SSSS=Specified
②	- Port Type:	3=1x2
③③	- Tap Ratio：	01=1/99, 05=5/95, ..., 50=50/50
④④④	- Fiber type:	121=PM-S405-XP, 147=PM405-HP, SSS=Specified
⑤	- Package Dimensions:	0=φ3.0x54mm, S=Specified
⑥	- Pigtail type:	0=bare fiber, 1=900μm loose tube
⑦	- Fiber length:	0.8=0.8m, 1.0=1m, S=Specified
⑧⑧⑧⑧	- Connector type:	0=FC/UPC, 1=FC/APC, 2=SC/UPC, 3=SC/APC, N=None, S=Specified

405nm 1x2 Single-mode Fused Coupler

200Ghz Polarization Maintaining Dense WDM (DWDM)

405nm 1x2 Single-mode Fused Coupler

200Ghz Polarization Maintaining Dense WDM (DWDM)

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