Fiber Optics GK-40 Specification Sheet

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SKU: GK-40

Applications: General purpose fiber for lighting and sensor applications

Spool Length: 5,250

Structure
	Core Material	Polymethyl-Methacrylate Resin

	Cladding Material	Fluorinated Polymer

	Core Refractive Index	1.49

	Refractive Index Profile	Step-index

	Numerical Aperture	.50

	Number of Fibers	1

		Unit	Value

	Core Diameter	µm	456 - 516

	Cladding Diameter	µm	470 - 530

	Approximate Weight	g/m	.3

Performance		Criteria for Acceptance and/or [ Test Conditions ]	Unit	Value




Maximum Rating	Storage Temperature	No Physical Deterioration [ in a Dry Atmosphere ]	° C	- 55 ~ 70

	Operation Temperature	No Deterioration in Optical Properties [ in a Dry Atmosphere ]	° C	-55 ~ 85

		No Deterioration in Optical Properties [ under 95% RH condition ]	° C	+ 60 Max.

Optical Properties	Transmission Loss	(650 nm Collimated Light) [ 25°C 50% RH ]	dB/m	.25 Max.

	Transmission Loss under 95% RH	(650 nm Collimated Light) [ Operation Temperature ]	dB/m	Not rated

Mechanical Characteristics	Minimum Bend Radius	Loss Increment <0.5 dB [ A Quarter Bend ]***	mm	10

	Repeated Bending Endurance	Loss Increment <1 dB [ In conformity to the JIS C 6861 ]***	Times	Not rated

	Tensile Strength	Tensile Force at 5% [ Elongation; in Conformity to the JIS C 6861 ]	N	14

	Twisting Strength	Loss Increment <1 dB [ Sample Length: 1 m Tensile Force: 4.9 N ]	Times

	Impact Strength	Loss Increment <1 dB [ Sample Length: 1 m JIS C 6861 ]	N.m

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