Beam quality improvement of laser diode array by using off-axis external cavity

A novel off-axis external cavity is designed for laser diode array to improve the beam quality. In this external cavity, a circle aperture with variable size is used as a spatial filter. The diameter of aperture is optimized to 1.2mm and the off-axis angle of external cavity is optimized at 2.6 deg. In the optimal case, the beam parameter product (BPP) of laser diode array is reduced to 121 mm. mrad from 1050 mm. mrad with external cavity optical efficiency of 81%. (C) 2007 Optical Society of America.

Story Circle : Digital Storytelling Around the World

Story Circle is the first collection ever devoted to a comprehensive international study of the digital storytelling movement. Exploring subjects of central importance on the emergent and ever-shifting digital landscape-consumer-generated content, memory grids, the digital storytelling youth movement, and micro-documentary- Story Circle pinpoints who is telling what stories, where, on what terms, and what they look and sound like.

Development of a novel rolling-circle amplification technique to detect Banana streak virus which also discriminates between integrated and episomal virus sequences

Bananas are hosts to a large number of banana streak virus (BSV) species. However, diagnostic methods for BSV are inadequate because of the considerable genetic and serological diversity amongst BSV isolates and the presence of integrated BSV sequences in some banana cultivars which leads to false positives. In this study, a sequence non-specific, rolling-circle amplification (RCA) technique was developed and shown to overcome these limitations for the detection and subsequent characterisation of BSV isolates infecting banana. This technique was shown to discriminate between integrated and episomal BSV DNA, specifically detecting the latter in several banana cultivars known to contain episomal and/or integrated sequences of Banana streak Mysore virus (BSMyV), Banana streak OL virus (BSOLV) and Banana streak GF virus (BSGFV). Using RCA, the presence of BSMyV and BSOLV was confirmed in Australia, while BSOLV, BSGFV, Banana streak Uganda I virus (BSUgIV), Banana streak Uganda L virus (BSUgLV) and Banana streak Uganda M virus (BSUgMV) were detected in Uganda. This is the first confirmed report of episomally-derived BSUglV, BSUgLV and BSUgMV in Uganda. As well as its ability to detect BSV, RCA was shown to detect two other pararetroviruses, Sugarcane bacilliform virus in sugarcane and Cauliflower mosaic virus in turnip.

A participant’s response : recreating the circle with We Al-Li: a program for sharing and regeneration

Personal reflections on the We Al-Li Program

Full circle : the future of sustainable fashion manufacturing in New Zealand

Many fashion businesses in New Zealand have followed a global trend towards inexpensive off shore manufacturing. The transfer of the production of garments to overseas workers has had consequences for the wellbeing of local businesses, fashion designers and garment makers. The gradual decline of fashion manufacturing also appears to have resulted in a local fashion scene where many garments look the same in style, colour, fabric, cut and fit. The excitement of the past, where the majority of fashion designers established their own individuality through the cut and shape of the garments that they produced, may have been inadvertently lost in an effort to take advantage of cost savings achieved through mass production and manufacturing methods which are now largely unavailable in New Zealand. Consequently, a sustainable local fashion and manufacturing industry, with design integrity, seems further out of reach. This paper is focussed upon the thesis that the design and manufacture of a fashion garment, bearing in mind certain economic and practical restrictions at its inception, can contribute to a more sustainable fashion manufacturing industry in New Zealand.

Full Circle : a collection of prototypes

This exhibition engages with one of the key issues facing the fashion textiles industry in terms of future sustainability: that of the well being of fashion industry workers in Australia and New Zealand (people). This collection formed the basis of my honours dissertation (completed in New Zealand in 2008) which examines the contribution that design can make to sustainable manufacturing; particularly design for local production and consumption. An important aspect this work is the discussion of source, the work suggests that the made in China syndrome (in reference to the current state of over-consumerism in Australia and New Zealand) could be bought to a close through design to minimize waste and maximize opportunity for ‘people’: in this case both garment workers and the SMEs that employ them. The garments reflect the possibilities of focusing on a local approach that could be put into practice by a framework of SMEs that already exist. In addition the design process is highly transferrable and could be put into practice almost anywhere with minimal set up costs and a design ethos that progresses at the same pace as the skills of workers. This collection is a physical and conceptual embodiment of a source local/make local/sell local approach. The collection is an example of design that demonstrates that this is not an unrealistic ideal and is in fact possible through the development of a sustainable industry, in the sense of people, profit and planet, through adoption of a design process model that stops the waste at the source, by making better use of the raw materials and labour involved in making fashion garments. Although the focus of this research appears to centre on people and profit, this kind of source local/make local/sell local approach also has great benefits in terms of environmental sustainability.

Reflecting on the ‘Dream Circle’ : urban Indigenous education processes designed for student and community empowerment

The ‘Dream Circle’ is a space designed by and operated through Indigenous educator footprints as a safe space for the school’s deadly jarjums (Indigenous children). The ‘Dream Circle’ uses a kinnected methodology drawing on the rich vein of Murri cultural knowledges and Torres Strait Islander supports within the local community to provide a safe and supportive circle. The ‘Dream Circle’ operates on a school site in the Logan area as an after school homework and cultural studies class. The ‘Dream Circle’ embodies practices and ritualises processes which ensure cultural safety and integrity. In this way the ‘Dream Circle’ balances the measures that Sarra (2005) purports are the stronger, smarter realities needed for positive change in Indigenous education.

Full circle on costs

This article considers the implications of the decision in Paroz v Clifford Gouldson Lawyers [2012] QDC 151, which examined provisions of the Legal Profession Act 2007 (Qld) dealing with costs disclosure and assessment, and also considered associated provisions of the Uniform Civil Procedure Rules 1999 (Qld).

Circle Stories

Research background: Circle Stories was a live performance curated by Brydie-Leigh Bartleet, Naomi Sunderland, Gavin Carfoot and the Winanjjikari Music Centre as part of the Desert Harmony Festival 2013. The performance was the culmination of five years of research into intercultural performing arts practice, undertaken in partnership with Barkly Regional Arts. This work has built on existing scholarly work in community service learning by Marilynne Boyle-Baise, approaches to intercultural music making with Australian First Peoples by Karl Neuenfeldt, and studies of Indigenous popular music by Peter Dunbar-Hall and Chris Gibson. The performance followed the popular songwriters’ circle approach, in which Aboriginal musicians and elders presented their songs along with tertiary music students, as part of a broader dialogue with each other and the audience. Each performance provided an opportunity to highlight the importance of music in the development of intercultural knowledge and understanding. The project asked the research question, how can collaborative music performance foster mutual learning, intercultural knowledge and reconciliation? Research contribution: The project development and performance of Circle Stories identified that mutual learning and intercultural knowledge can result most effectively through long-term and meaningful relationships underpinning collaborative creative practice. Research significance: Following a general call for proposals, the performance was peer reviewed and selected for inclusion in the Desert Harmony Festival program. The research context of the work is detailed in Brydie-Leigh Bartleet and Gavin Carfoot 2013. "Desert harmony: Stories of collaboration between Indigenous musicians and university students." International Education Journal: Comparative Perspectives 12 (1): 180-196.

Abandoning the Magic Circle

As a concept, the magic circle is in reality just 4 years old. Whilst often accredited to Johan Huizinga (1955), the modern usage of term in truth belongs to Katie Salen and Eric Zimmerman. It became in academia following the publication of “Rules of Play” in 2003. Because of the terminologyused, it carries with it unhelpful preconceptions that the game world, or play-space, excludes reality. In this paper, I argue that Salen and Zimmerman (2003) have taken a term used as an example, and applied a meaning to it that was never intended, based primarily upon definitions given by other authors, namely Apter (1991) and Sniderman (n.d.). I further argue that the definition itself contains a logical fallacy, which has prevented the full understanding of the definition in later work. Through a study of the literature in Game Theory, and examples of possible issues which could arise in contemporary games, I suggest that the emotions of the play experience continue beyond the play space, and that emotions from the “real world” enter it with the participants. I consider a reprise of the Stanley Milgram Obedience Experiment (2006), and what that tells us about human emotions and the effect that events taking place in a virtual environment can have upon them. I evaluate the opinion espoused by some authors of there being different magic circles for different players, and assert that this is not a useful approach to take when studying games, because it prevents the analysis of a game as a single entity. Furthermore I consider the reasons given by other authors for the existence of the Magic Circle, and I assert that the term “Magic Circle” should be discarded, that it has no relevance to contemporary games, and indeed it acts as a hindrance to the design and study of games. I conclude that the play space which it claims to protect from the courts and other governmental authorities would be better served by the existing concepts of intent, consent, and commonly accepted principles associated with international travel.

Stepping outside the circle : a reflective practice framework for creative facilitators

Stepping Outside the Circle was a practice-based research project focussed on creating a professional reflection framework for creative facilitators working within the community, education, corporate and health and wellbeing sectors. Underpinned by theories of critical reflection, transformative learning, reflexivity and agency, this study explored the potential benefits of multimodal inquiry processes, adapting existing reflective practice models for the unique requirements of creative facilitation contexts. Through application of the key findings from this research, synthesised in a practitioner resource, it is hoped that individual practitioners and creative organisations may develop their understanding of evaluation strategies, self- reflexivity, professional sustainability and practitioner self-care.

The "virtuous circle": A case study examining the case for better embedding of Work Integrated Learning approaches into university journalism cirriculums

This paper explores the potential to focus and develop the approach to Work Integrated Learning (WIL)in journalism courses where this method is seen as a core principal of the program. It argues that, in many cases, such approaches are ill-defined and underdeveloped, a fact that weakens the possibility for strong course outcomes. It then examines the particular case of QUT coverage of the 2014 G20 Leader's summit to illustrate how an all-of-course WIL approach to G20 coverage-coupled with a tailored interaction with the library-might provide an enhanced student experience as well as unlock the potential for greater knowledge transfer between university journalism courses and industry partners.

Specific rolling circle amplification of low-copy human polyomaviruses BKV, HPyV6, HPyV7, TSPyV, and STLPyV

Eleven new human polyomaviruses have been recently discovered, yet for most of these viruses, little is known of their biology and clinical impact. Rolling circle amplification (RCA) is an ideal method for the amplification of the circular polyomavirus genome due to its high fidelity amplification of circular DNA. In this study, a modified RCA method was developed to selectively amplify a range of polyomavirus genomes. Initial evaluation showed a multiplexed temperature-graded reaction profile gave the best yield and sensitivity in amplifying BK polyomavirus in a background of human DNA, with up to 1 × 10(8)-fold increases in viral genomes from as little as 10 genome copies per reaction. Furthermore, the method proved to be more sensitive and provided a 200-fold greater yield than that of random hexamers based standard RCA. Application of the method to other novel human polyomaviruses showed successful amplification of TSPyV, HPyV6, HPyV7, and STLPyV from low-viral load positive clinical samples, with viral genome enrichment ranging from 1 × 10(8) up to 1 × 10(10). This directed RCA method can be applied to selectively amplify other low-copy polyomaviral genomes from a background of competing non-specific DNA, and is a useful tool in further research into the rapidly expanding Polyomaviridae family.