Come join us for our monthly Astronomy talk!

7:30pm-8pm: Social time with snacks 
8pm: Talk begin

Title: Building a DIY optical path towards the universe

Description: The field of optics was born from the curiosity of early astronomers, whose pioneering work laid the foundation for theories ranging from ray optics to electromagnetic field theory. These advances fulfilled humanity’s enduring quest for sharper vision and greater fidelity across microscopic and macroscopic scales—an endeavor we now recognize as imaging. In this talk, we will introduce some history and fundamentals in optical imaging, specifically the quantitative metrics to describe the quality of an imaging system and its sensitivity to optical and mechanical misalignment. Leveraging my training in imaging system, I will share the motivations and design considerations that went into my DIY astronomy setups from the early prototypes to the latest Astronomical Imaging & Metrology System (AIMS), along with lessons learned in each iteration. These hands-on experiences ultimately led to a service mission at UCF’s Robinson observatory to restore its “eyesight” and paved the way for its on-going research in astro-photonics.

Speaker: Dr. Zheyuan Zhu received his BS degree in physics from Nanjing University and PhD in Optics and Photonics from CREOL, The College of Optics and Photonics at University of Central Florida. His research includes the development of novel optical imaging systems and the companion numerical methods for the extracting of the information-of-interest from the measurements. During this time, he developed an interest in amateur astronomy. After graduation, he continued as a research scientist at UCF working on the development of integrated photonic circuits and electronic peripherals for analogy matrix computations, targeting HPC (high-performance computing) and AI (artificial intelligence) applications. He is currently working in the semiconductor industry on micro-optics design, fabrication, and metrology.

**About the event:**

Many of SJAA’s events, like this one, are public and free to attend, but if you’re enjoying what SJAA has to offer, consider becoming a paid member for only $20 per year: [https://www.sjaa.net/membership/benefits-of-membership-2/](https://www.sjaa.net/membership/benefits-of-membership-2/)

Chris Gottbrath

SJ Astronomy

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Beginner Astronomy

Building a DIY optical path towards the universe

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Building a DIY optical path towards the universe

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