Innovative laser technologies for natural resource exploration

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Based on experience with stabilizing the frequencies of lasers over extended time intervals for experiments with ultracold atoms, we have developed a unique, low cost, vacuum-sealed, auto-locked external cavity diode laser system (ALDLS) (international patent filed). This laser system can be frequency stabilized with respect to an atomic spectral line without the need for human intervention. ALDLS modules consist of components from original equipment manufacturers (OEM) integrated with specially machined parts and powerful central processors. The thermally stabilized laser cavity can be evacuated within minutes and vacuum-sealed for several months making the system insensitive to environmental temperature and pressure fluctuations.ALDLS technology enables additional features such as power amplification and rapid amplitude modulation. These pulsed laser capabilities are not commercially available as a package despite widespread availability of constituent OEM components. Therefore pulsed lasers based on ALDLS technology can be significantly less expensive compared to existing alternatives.This university based research program will develop portable, high power, pulsed laser modules based on ALDLS technology that will be integrated into magnetometers for the detection of metal and mineral deposits.The industrial partnership with Geotech Ltd., a leader in the area of airborne surveys that map magnetic gradients for the detection of metal and mineral deposits, will impact the area of geophysical exploration, a target area for both federal and provincial governments in which Canada is a world leader. Commercial benefits include the creation of intellectual property, and high technology jobs. Societal benefits include specialized student training.