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The Development of High Power Cryo-Cooled Lasers and Their Application to Remote Sensing and Other Satelite-based Data Acquisition. We shall develop high power cryo-cooled lasers which will contribute directly to the national research priorities in Frontier Technologies and Safe Guarding Australia. In particular it will contribute to photonics, to remote sensing of the environment and to space based defence and surveillance applications. It will establish Australia as a pioneer in the field and ....The Development of High Power Cryo-Cooled Lasers and Their Application to Remote Sensing and Other Satelite-based Data Acquisition. We shall develop high power cryo-cooled lasers which will contribute directly to the national research priorities in Frontier Technologies and Safe Guarding Australia. In particular it will contribute to photonics, to remote sensing of the environment and to space based defence and surveillance applications. It will establish Australia as a pioneer in the field and generate important IP. It will be of benefit to Australian and international laser and defence industry, and it will be an ideal project for educating young laser physicists and engineers, of which there currently is a serious shortage in Australia.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE100100009
Funder
Australian Research Council
Funding Amount
$455,000.00
Summary
Ultra-precision cutting and polishing machines for fabricating high-Q crystalline resonators. The proposed facility will equip Australian researchers with the capability to machine and polish optical crystalline materials down to atomic-level smoothness. The availability of this technology will enable the fabrication of ultra-sensitive metrological sensors, state-of-the-art photonic components, and quantum devices. Precision metrology is an integral component of many industries and it underpins ....Ultra-precision cutting and polishing machines for fabricating high-Q crystalline resonators. The proposed facility will equip Australian researchers with the capability to machine and polish optical crystalline materials down to atomic-level smoothness. The availability of this technology will enable the fabrication of ultra-sensitive metrological sensors, state-of-the-art photonic components, and quantum devices. Precision metrology is an integral component of many industries and it underpins a modern, technically advanced society. With this facility Australian researchers will lead the world in the fabrication of optical crystalline devices for a broad range of industrial and research applications.Read moreRead less
Optical supercontinuum generation from high pulse-energy optical sources. The aim of this project is to develop a broadband and high brightness optical fibre source based on optical supercontinuum generation (i.e. low-coherence optical signals with octave or more bandwidth). Unlike similar sources demonstrated recently which rely on expensive bulk femtosecond pump lasers, this source will be pumped by a large pulse-energy optical fibre laser and use stimulated Raman scattering to seed the contin ....Optical supercontinuum generation from high pulse-energy optical sources. The aim of this project is to develop a broadband and high brightness optical fibre source based on optical supercontinuum generation (i.e. low-coherence optical signals with octave or more bandwidth). Unlike similar sources demonstrated recently which rely on expensive bulk femtosecond pump lasers, this source will be pumped by a large pulse-energy optical fibre laser and use stimulated Raman scattering to seed the continuum generation. The primary outcome will be a compact low-cost all-fibre supercontinuum source with a wide range of applications in areas such as optical metrology, optical coherence tomography, and high resolution non-contact position and motion sensing.Read moreRead less
Ringed photonic crystal fibres for broadband nonlinear optics. The technology developed from this project will enable organic molecules to be detected, identified and quantified. Because the technology is compact, easily engineered and low cost, it will lead to a dramatically increased capability for infrared spectroscopic measurement throughout biology and medicine, with specific benefits in agriculture, the food industry and defence.
Quantum opto-mechanics with whispering gallery modes in crystalline materials. Deep understanding and fine control of quantum phenomena will be increasingly important in 21st century technology. This Discovery Project aims to develop cutting edge expertise in ultra-precision machining for the realization of crystalline ring resonators that have very high optical and mechanical Q-factors. These structures will enable novel experiments in non-linear optics, quantum state generation, precision met ....Quantum opto-mechanics with whispering gallery modes in crystalline materials. Deep understanding and fine control of quantum phenomena will be increasingly important in 21st century technology. This Discovery Project aims to develop cutting edge expertise in ultra-precision machining for the realization of crystalline ring resonators that have very high optical and mechanical Q-factors. These structures will enable novel experiments in non-linear optics, quantum state generation, precision metrology and quantum opto-mechanical coupling. Results of our investigations will lead to compact devices for quantum information technologies, new geometries for single atom detection, and a deeper understanding of meso-scale quantum mechanical systems.Read moreRead less
Microcharacterisation of rare-earth-doped optical fibres. Rare-earth-doped optical fibres continue to play a central role in optical telecommunication systems and are increasingly being used as elements in optical fibre sensing devices and as fibre lasers. The aim of this project is the application of new high spatial resolution techniques for determining the physical properties of such fibres. These methods will permit unprecedented knowledge of the precise distribution of rare-earth ions in th ....Microcharacterisation of rare-earth-doped optical fibres. Rare-earth-doped optical fibres continue to play a central role in optical telecommunication systems and are increasingly being used as elements in optical fibre sensing devices and as fibre lasers. The aim of this project is the application of new high spatial resolution techniques for determining the physical properties of such fibres. These methods will permit unprecedented knowledge of the precise distribution of rare-earth ions in the fibre and its relationship with the fibre's refractive index profile. This information is critical to understanding the performance of rare-earth-doped fibres in a variety of applications and the outcomes of this work will inform the design of fibres optimised for use in specific applications.Read moreRead less
Application of Femtosecond Light Sources to Generation of Low Noise Microwave Signals. The main goal of the research project is to develop prototypes of photonic oscillators capable of generating spectrally pure signals both at optical and microwave frequencies. The project is also aimed at understanding noise mechanisms affecting frequency stability of classical microwave oscillators based on sapphire loaded cavity resonators. By cryogenically cooling such resonators we plan to create a new fam ....Application of Femtosecond Light Sources to Generation of Low Noise Microwave Signals. The main goal of the research project is to develop prototypes of photonic oscillators capable of generating spectrally pure signals both at optical and microwave frequencies. The project is also aimed at understanding noise mechanisms affecting frequency stability of classical microwave oscillators based on sapphire loaded cavity resonators. By cryogenically cooling such resonators we plan to create a new family of extremely low noise and economically viable microwave signal sources. The research proposed will enrich the field of oscillator frequency control, give rise to new techniques for precision noise measurements and reinforce Australia's position at the forefront of microwave and photonic science.Read moreRead less
Passively switched mid-infrared fibre lasers using saturable absorbers placed internally or externally to the geometry of the fibre. This project will create new pulsed mid-infrared fibre lasers based on original and recently developed passive switching techniques. An original class of fibre laser systems will be shown that is based on the internal placement of saturable absorbers within the optical fibre itself. A configuration such as this will enable the production of very simple pulsed laser ....Passively switched mid-infrared fibre lasers using saturable absorbers placed internally or externally to the geometry of the fibre. This project will create new pulsed mid-infrared fibre lasers based on original and recently developed passive switching techniques. An original class of fibre laser systems will be shown that is based on the internal placement of saturable absorbers within the optical fibre itself. A configuration such as this will enable the production of very simple pulsed laser systems of high efficiency and potentially high power. This will lead into the development of practical pulsed oscillator systems the output of which can be used directly or optically amplified for applications requiring high power.Read moreRead less
Advanced Atomic Sources for Precision Measurement. Many advances in our technology-driven society rely on the precision measurement of quantities such as accelerations, magnetic and electric fields. A higher level of measurement precision leads to a clear economic or strategic advantage. We expect to provide the Australian industrial and government sectors with new and better methods for making precise measurements with accelerometers, gyroscopes and gravity gradiometers. This proposal will pla ....Advanced Atomic Sources for Precision Measurement. Many advances in our technology-driven society rely on the precision measurement of quantities such as accelerations, magnetic and electric fields. A higher level of measurement precision leads to a clear economic or strategic advantage. We expect to provide the Australian industrial and government sectors with new and better methods for making precise measurements with accelerometers, gyroscopes and gravity gradiometers. This proposal will place Australia with only a handful of other countries as an international leader in the new technology of coherent atom interferometry. It is expected that this proposal will lead to innovative prototype devices as well as significant patentable technology. Read moreRead less
Diamond-based Ultra Violet (UV)-emitting devices. The development of UV-emitting solid state devices will enable new applications and drive rapid growth of new industries in particular in health care (sterilisation), microelectronics (lithography) and high-density data storage. With its deep expertise in photonics, Australia is well positioned to become a significant player in these industries. This collaborative project, involving academic and industrial partners, seeks to leverage Australian s ....Diamond-based Ultra Violet (UV)-emitting devices. The development of UV-emitting solid state devices will enable new applications and drive rapid growth of new industries in particular in health care (sterilisation), microelectronics (lithography) and high-density data storage. With its deep expertise in photonics, Australia is well positioned to become a significant player in these industries. This collaborative project, involving academic and industrial partners, seeks to leverage Australian scientific expertise to create new hybrid diamond/nitride structures potentially capable of emitting UV-radiation with high-efficiency and power. The outcomes will help seed new industry and economic growth in Australia.Read moreRead less