READ ME File For 'Information on characterising GaAs structures and bonds' Dataset DOI: 10.5258/SOTON/D2226 Date that the file was created: Sept, 2022 This dataset supports the thesis entitled "Quasi-Phase-Matched Materials for Active Sensing in the Mid-Infrared Waveband" AWARDED BY: Univeristy of Southampton DATE OF AWARD: 2022 ------------------- GENERAL INFORMATION ------------------- ReadMe Author: Charlie James Turner, University of Southampton Date of data collection: Aquired from 09/2017 - 09/2022 Contract No: DSTLX-1000117846 "Quasi-Phase Matched (QPM) Materials for Active Sensing in the Infrared Waveband" ORCID Grant No: 1992656 -------------------------- SHARING/ACCESS INFORMATION -------------------------- Licenses/restrictions placed on the data, or limitations of reuse: CC-BY -------------------- DATA & FILE OVERVIEW -------------------- This dataset contains: --"1550knifeedgedata" - Zip folder containing the following data: -"1550knifeedge_colbeam.csv" - Knife edge power measurement of 1550nm laser collimated beam [Collected 08/2021] -"1550knifeedge_varyalongfocus.csv" - Knife edge power measurement of 1550nm laser at multiple positions through beam focus [Collected 08/2021] --"FTIRdata_university.zip" - Zip folder containing the following data: -"GaAs_Plain_BG-Corrected_Trans_WL" - Transmission measurement of 1mm thick plain GaAs (double side polished) [Collected 01/2018] -"GaSbFTIR" - Transmission measurement of both bonded GaAs/GaSb and of polished GaSb [Collected 05/2019] -"ControlGaAs FTIR" - Transmission measurement of Plain GaAs vs control witness to 984C 1 hr run [Collected 11/2019] -"IG3FTIR" - Transmission measurements of IG3 bonded to GaAs and also plain polished IG3 + repeats [Collected 05/2019] -"Singleplate_InBi_FTIR.csv" - Transmission measurements of different evaporated InBi thicknesses on single GaAs plates [Collected 11/2019] -"InBi_426_DiffTemp_FTIR.csv" - Transmission measurements of 2x bonded GaAs plates with 426nm of InBi at different diffusion temps [Collected 09/2019] -"InBi_multithick_1hr964C_FTIR.csv" - Transmission measurements of 2x bonded GaAs plates with different InBi thicknesses diffused for 1 hour at 964degC [Collected 12/2019] -"InBi_multithick_1hr984C_FTIR.csv" - Transmission measurements of 2x bonded GaAs plates with different InBi thicknesses diffused for 1 hour at 984degC [Collected 12/2019] -"InBi_multithick_1hr1004C_FTIR.csv" - Transmission measurements of 2x bonded GaAs plates with different InBi thicknesses diffused for 1 hour at 1004degC [Collected 12/2019] -"InBi_multithick_05hr984C_FTIR.csv" - Transmission measurements of 2x bonded GaAs plates with different InBi thicknesses diffused for 0.5 hours at 984degC [Collected 12/2019] -"InBi_multithick_2hr984C_FTIR.csv" - Transmission measurements of 2x bonded GaAs plates with different InBi thicknesses diffused for 2 hours at 984degC [Collected 12/2019] -"InBi_brokensample_2hr984C_FTIR.csv" - Transmission measurements of 2x bonded/broken apart GaAs plates (with and without visible residue) with 2x52.6nm InBi thicknesses diffused for 2 hours at 984degC [Collected 12/2019] -"InBi_NH42S_1hr964C_FTIR.csv" - Transmission measurements of 2x bonded GaAs plates with 421.8nm/181.6nm InBi thicknesses diffused for 1 hour at 964degC after being treated with (NH4)2S with/without H2 used during diffusion [Collected 01/2020] -"InBi_SiO2clip_1hr964C_FTIR.csv" - Transmission measurements of 2x bonded GaAs plates with 421.8nm InBi thicknesses diffused for 1 hour at 964degC inside silica clips during diffusion [Collected 01/2020] --"Depositiondata.zip" - Zip folder containing the following data: -"EvaporatorBismuthThickness.zip" - Zip folder containing raw 3D surface data for step heights created by depositing Bismuth onto SiO2 substrates. Structure "Bixxx-y" x is the programmed thickness and y is iteration [Collected 02/2020] -"EvaporatorIndiumThickness.zip" - Zip folder containing raw 3D surface data for step heights created by depositing Indium onto SiO2 substrates. Structure "Inxxx-y" x is the programmed thickness and y is iteration [Collected 02/2020] -"EvaporatorInBiThickness.zip" - Zip folder containing raw 3D surface data for step heights created by depositing Indium then Bismuth onto SiO2 substrates. Structure "InBi-xxxnm-y" x is the programmed thickness of each metal and y is iteration [Collected 03/2020] -"InBi_Sputterer_Deposition_logs.csv" - Measurements of step height vs sputter time for both In and Bi on test SiO2 wafers and slides - due to volume of samples the raw .zmp files were not saved [collection dates in column 1] --"BK7data.zip" - Zip folder containing the following data: -"BK7Feed.zip" - Zip folder containing raw 3D surface data of BK7 surfaces diced at different feed rates. Structure "x.yfeed-z" x and y are the feed rate in mm/s eg 0.1. z is the iteration (3 measurements per feed rate) - 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 mm/s feed rate data [Collected 01/2019] -"BK7Spindle.zip" - Zip folder containing raw 3D surface data of BK7 surfaces diced at different spindle speeds. Structure "xyspin-z" x and y are the spindle speed in kRPM eg 15. z is the iteration (3 measurements per feed rate) - 10, 15, 20, 25, 30 kRPM spindle speed data [Collected 01/2019] -"Feed-spindle-optimal.csv" - Surface roughness measurements taken from raw data in BK7Feed and BK7Spindle zip folders --"DSTL_OPOmeasurements.zip" - Zip folder containing the following data: -"MOPOIdler_FTIR.csv" - FFT data from measuring PPLN OPO Idler and HeNe beam frequency in FTIR setup [Collected 06/2021] -"MOPOIdler_wavescan.csv" - Wavescan spectrum analyser measurement of PPLN OPO Idler output wavelength [Collected 02/2022] -"MOPOparasiticred_wavelength.csv" - Measured wavelength of parasitic red generated by PPLN OPO setup [Collected 06/2021] -"MOPOsignal_wavelength50degC.csv" - Measured wavelength of PPLN OPO signal output at PPLN temp 50degC [Collected 06/2021] -"RTAamplification_vsPPLNtemp.csv" - Measured signal on oscilloscope of amplified RTA crystal OPA vs temperature of PPLN crystal creating input wavelength [Collected 02/2022] -"RTAamplification_vspower.csv" - Measured signal on oscilloscope of amplified RTA crystal OPA vs input power [Collected 02/2022] -"RTAIdler_wavescan.csv" - Wavescan spectrum analyser measurement of RTA Idler output wavelength [Collected 02/2022] -"OPGaAs_wavescan.csv" - Wavescan spectrum analyser measurement of OPGaAs output wavelengths + background scan [Collected 03/2022] -"InF3_supercont_wavescan.csv" - Wavescan spectrum analyser measurement of single mode InF3 fiber output for different input powers [Collected 03/2022] DESCRIPTION OF THE DATA FTIR data: .csv files containing wavelength and transmittance information: Zescope surface data: .zmp files (contained in compressed .zip folders) containing 3D surface information obtained by the Zemetrics Zescope, image processing software such as SPIP required to view