Optical Fiber Quartz Rod

I. Application

Optical fiber quartz rod is used as seed and handle rod in deposition and extension of VAD and OVD processes.

II. Product Features

Optical fiber quartz rod features high purity, excellent mechanical strength, etc.

III. Product Type

WQPQ191F

IV. Typical Size

Directly Draw Rod
OD RangeOD ToleranceOvalityBow
20.00≤OD<30.00±1.25%1.25%0.15%
30.00≤OD<50.00±1.25%1.25%0.15%
50.00≤OD<100.00±1.25%1.25%0.15%
100.00≤OD<160.00±1.00%1.00%0.15%
Machined Rod
OD RangeOD Tolerance Ovality Bow
20.00≤OD<160.00±1.00%1.00%0.05%

V. Physical and Chemical Properties

i. Physical Properties

ItemIndex Value
Density(g/cm32.2
Heat conductivity(w/m·k,1000℃)2.28
Coefficient of Thermal Expansion(℃-1 1000℃) 5.5×10-7
Softening Point(℃)1670
Annealing Point(℃)1210
Strain Point(℃)1110

ii. Trace Elements

CodeCriteriaAlCaCrCuFeKLiMgMnNaTiZr
 PQ191F Typical 16.2 1 <0.05 <0.05 0.5 1.2 0.9 0.2 <0.05 1.1 1.5 1
 Maximum 25 1.5 0.1 0.1 1 1.5 1.5 0.2 0.2 2 4 2

iii. OH Content

OH < 50PPM

iv. Coefficient of Thermal Expansion and Viscosity

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