READ ME File For Dataset for 'Hollow core fiber made of ultralow expansion glass: towards the ultimate stability for room-temperature fiber optics' accepted by Science Advances.

Dataset DOI: 10.5258/SOTON/D3418

ReadMe Author: Meng Ding, University of Southampton 

This dataset supports the publication:

Meng Ding, Ian Davidson, Gregory Jasion, Bo Shi, John Hayes, Peter C. Schultz, David Richardson, Francesco Polleti and Radan. Slavik, "Hollow core fiber made of ultralow expansion glass: towards the ultimate stability for room-temperature fiber optics" in Science Advances.


Uploaded Archive (RAR) includes 7 data files that are Excel format (.xlsx)


The figures are as follows:

 
Fig. 1:		The Thermal sensitivity of existing fibers (SMF, silica-HCF) and envisaged HCF made of UltraLow Expansion glass, ULE-HCF.
		Thermal sensitivity versus temperature (SMF, column B; Silica-HCF, column C; ULE-HCF, column D)
		
Fig. 2: 	Viscosity of silica glass (column B) and ULE glass (column D) at different temperatures and Devitrified SiO2 Growth Rate 
		(um/s) at different temperatures.

Fig. 3: 	Measured transmission (Column B) and simulated transmission (Total loss: Column D; Microbending loss: Column E; 		Confinement loss: column F).
Fig. 4:		Sheet Fig4B: Measured phase change by MZI method (column C) and FPI method (column E) at different temperatures (column B).
		Sheet Fig4C: Measured Thermal sensitivity of different fibres (SMF: column C; Thinly-coated silica HCF:column E; ULE-HCF: 			column G).
		Sheet Fig4D: Calculated thermal coefficient of time delay of different fibres(  Thinly-coated silica HCF:column C; ULE-HCF: 		column E).
		Sheet Fig4E: Calculated thermal coefficient of time delay of ULE-HCF at different wavelengths.
Fig. 5:		Sheet Fig5B: Measured optical spectrum at two different temperatures (5 degreeC: Column C; 12 degree C: Column E).
		Sheet Fig5C: Wavelength shift of the fibre Fabry-Perot interferometers(Coated ULE-HCF: Column C; Uncoated ULE-HCF: Column 			D);
		Sheet Fig5D: Measured Thermal sensitivity from the fibre Fabry-Perot interferometers (Coated ULE-HCF: Column C; Uncoated 			ULE-HCF: Column D) with CTE range of ULE glass (lower band: Column G; Upper band: Column H);          
Fig. S4: 	Sheet A: Measured optical transmission of Optical frequency comb transmitted ULE-HCF interferometer;
		Sheet B: Measured time delay caculated from the transmission spectrum (column C) and fitted curve (column E); 
		Sheet C: Caculated chromatic dispersion from fitted time delay.
Fig. S5:	FPI wavelength drift at constant temperature.

Date of data collection: 1/6/2021-18/6/2023

Information about geographic location of data collection: University of Southampton, U.K.

Licence: Creative Commons Attribution.

Related projects:
Airguide, Lightpipe, Vacuum


Date that the file was created: 4 Apirl, 2025