Name: C-L Band WDM Filter
SKU: MNK-001-1-5-2-1-3-2-1
Price: 10.00 USD
Availability: InStock

Description

C/L Band Filters, Wavelength Division Multiplexer Devices

The C-band standards for the conventional band and ranges from 1530nm to 1565nm. Optical fiber exhibits the lowest loss in the C-band and has a great advantage in long-distance transmission systems. It is widely used in conjunction with WDM, long-haul optical transmission systems and EDFA technology for many metropolitan area networks. As transmission distances have become longer and longer, fiber optic amplifiers are used instead of optical-to-electronic-to-optical repeaters, and the C-Band becomes increasingly important. The use of the C-Band has been expanded with advent of DWDM (Dense Wavelength Division Multiplexing), which allows multiple signals to share a single fiber.

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The L-band (Long-wavelength Band, 1565nm to 1625nm) is the second lowest loss wavelength band and is often used when the C-band is not sufficient to meet the bandwidth requirements. With the widespread application of erbium-doped fiber amplifiers (EDFAs), DWDM systems have been extended upward to the L-band, initially used to expand the capacity of terrestrial DWDM optical fiber networks. Now, DWDM systems usually use C-band and L-band, which have the characteristics of low transmission attenuation loss.

Arkoptics C/L Band Filters utilize stable Thin Film Filters and advanced packaging technology. Our devices achieve excellent optical performance and operating stability over temperature. They are typically used to combine or separate Red Band wavelengths and Blue Band wavelengths, providing low insertion loss, high channel isolation, and low PDL over a broad temperature range.

Specifications


Filter WDM		C/L WDM	Pump-MWDM	FWDM
Transmission Port	Central Wavelength	C-Band	1550nm	1310/1490/1550/1610nm
	Wavelength Range	1525~1565nm	1540~1560nm	1260~1617.5nm
	Insertion Loss	≤ 0.8dB	≤ 0.8dB	≤ 0.6dB
	Flatness	≤ 0.3dB	≤ 0.3dB	≤ 0.3dB
	Isolation	≥ 30dB	≥ 30dB	≥ 30dB
Reflection Port	Central Wavelength	L-Band	980nm	1650nm
	Wavelength Range	1569.5~1620nm	970~990nm	1622~1670nm
	Insertion Loss	≤ 0.4dB	≤ 0.6dB	≤ 0.4dB
	Flatness	≤ 0.25dB	≤ 0.25dB	≤ 0.25dB
	Isolation	≥ 15dB	≥ 15dB	≥ 15dB
Directivity		≥ 50dB	≥ 50dB	≥ 50dB
Return Loss		≥ 45dB	≥ 50dB	≥ 50dB
Polarization Dependent Loss		≤ 0.1dB	≤ 0.1dB	≤ 0.1dB
Polarization Mode Dispersion		≤ 0.1ps	≤ 0.1ps	≤ 0.1ps
Insertion Loss Thermal Stability		≤ 0.005dB/°C	≤ 0.005dB/°C	≤ 0.005dB/°C
Optical Power Handling		≤ 500mW	≤ 500mW	≤ 500mW
Tensile Load		≤ 5N	≤ 5N	≤ 5N
Fiber Type		SMF-28e	SMF-28e	SMF-28e
Operating Temperature		-5°C to +70°C	-5°C to +70°C	-5°C to +70°C
Storage Temperature		-40°C to +85°C	-40°C to +85°C	-40°C to +85°C
Package Dimension		5.5 x 34mm	5.5 x 34mm	5.5 x 34mm