Janet Fender writes about how the inaugural Optica Women Scholars Conference provided opportunities to encourage the career growth of young women in science. read more

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Azzolin talks about what motivates her as a graduate student, her experience as part of an Optica technical group and her work in attosecond science.  read more

Richter Precision Inc. offers a complete range of DLC phase compositions, and hence the widest possible range of selectable mechanical and physical properties. The characteristics of the tools and/or application will determine which DLC coating structure would be best suited. Please see the table below for a complete listing of our available DLC coating compositions.

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Dwapanyin talks about his time as an Optica Ambassador, his involvement with Optica’s 2020 DEI Rapid Action Committee and the role community has had in his career.  read more

Buscaino discusses his time as president of the Stanford Optical Society, his experience as an Optica Ambassador and why he chose a career in industry.  read more

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Adams discusses the genesis of his career in optics, his previous career as an audio engineer and the role of travel in his work. read more

Ana Karen Reyes talks about her work as an Optica Ambassador supporting optics and photonics education and professional development.  read more

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The Optical Fiber Communications Workshop, hosted by an Optica/SPIE Student Chapter, showcased career opportunities in the burgeoning field of subsea communications. read more

Diamond-like-carbon (DLC) coatings are a particular area of expertise for Richter Precision Inc. Among PVD & PaCVD coating compositions and technology, DLC coatings stand out as a distinctive category. These coatings exhibit a desirable combination of a low coefficient of friction and high micro-hardness, making them extremely effective in many tribological and wear applications.

DLC coatings are formed when ionized and decomposed carbon or hydrocarbon species land on the surface of a substrate with energy typically 10-300eV. DLC films may possess exceptional mechanical (high hardness), optical (high optical band gap), electrical (high electrical resistivity), chemical (inert) and tribological (low friction and wear coefficient) properties and can be deposited at low substrate temperatures (~200°C).

Velez-Zea discusses his career in academia, his research project that won the Optica Foundation Challenge and offers advice for students and early-career professionals.  read more

Considering the impact and future of Anthony Siegman’s namesake program on its 10th anniversary. read more

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DLC films are generally amorphous (i.e have no dominant crystalline lattice structure) and consist of a mixture of sp2 (graphite) & sp3 (diamond) phases. Control of film properties is strongly dependent on the flux characteristics of the chosen deposition technique (PVD sputter or evaporation and Pa-CVD), metal and hydrogen content within the film, sp2:sp3 ratio, substrate bias voltage, ion energy and ion density as well as substrate temperature. DLC film friction coefficient against steel generally ranges from 0.05-0.20, whilst film hardness and sp3 content can be tailored for specific applications. Metal and hydrogen containing DLC (Me-DLC or a-C:H:Me) exhibit hardness in the range 500-2000HV with 35% sp3, metal free DLC (C-DLC or a-C:H) typically 1500-4000HV and up to 75% sp3 , whilst tetrahedral amorphous carbon (ta-C) can be 4000-9000HV with 80-85% sp3.

Cory Boone talks about his journey into marketing at Edmund Optics—and the joy he’s found in scientific outreach through TikTok and YouTube. read more