G.652.D optical fiber reel with model label, illustrative image

Coated optical fiber on reels · Illustrative product image

SINGLE-MODE OPTICAL FIBER

G.652.D Single-mode optical fiber

Single mode optical fiber for backbone cable designs

G.652.D single mode optical fiber on reels for backbone, metropolitan and access cable designs. Compare the listed attenuation limits and mode-field geometry with your wavelength, loss budget and splicing requirements.

Attenuation · 1550 nm
≤ 0.185 dB/km (standard)
Cladding diameter
125 ± 0.7 μm
Coating diameter
242 ± 7 μm

Pricing, order quantity and lead time confirmed for your specification and delivery destination.

PRODUCT DATA

Technical specifications

Values below are supplier reference limits. Test conditions and units are shown for engineering review.

G.652.D optical fiber reference specifications
Parameter / test conditionReference specification
Attenuation at 1310 nm≤ 0.330 dB/km (standard)
Attenuation at 1550 nm≤ 0.185 dB/km (standard)
Optional low-loss grade at 1550 nm≤ 0.180 dB/km
Cladding diameter125 ± 0.7 μm
Mode field diameter at 1310 nm9.2 ± 0.4 μm
Coating diameter242 ± 7 μm
Reference source: Jiangsu Nanfang Optical Fiber Product Manual, pages 3–4. Translated from the Chinese manufacturer document. Values describe the source grade; confirm the offered supplier, coating and batch conformity with your quote. Manufacturer series names identify source products, not an authorized distributorship.
SPECIFICATION & PROCUREMENT

Before you request a G.652.D quote.

Clear answers from the reference specifications, with the supply scope kept explicit.

Compare optical fiber specifications →
Which G.652.D attenuation grade should I specify?

At 1550 nm, the reference lists ≤ 0.185 dB/km (standard) for the standard grade and ≤ 0.180 dB/km for the optional low-loss grade. Specify which grade you require and confirm the offered supplier specification.

Is this optical fiber on reels or a finished fiber optic cable?

This page describes coated optical fiber on reels for use before cabling, not a finished cable, connector assembly or installed channel. The published table is supplier reference data, not a test report for your order. Ask the quotation to identify the offered manufacturer, exact grade and coating, and the documents that will accompany the allocated reels.

What should I include in a G652D optical fiber RFQ?

For G.652.D, specify the coating option, total fiber-km, preferred continuous length per reel, and delivery country and ZIP or postal code. Request the offered datasheet, traceable reel list and applicable batch test report; state required fields and approval timing. Identify acceptable alternatives separately. Pricing, minimum order quantity and lead time are confirmed with the actual supplier quotation. RFQ checklist → · Reel documentation →