The Pros of Large Diameter Optics in Space

To achieve higher resolution and sensitivity in extraterrestrial observations, larger diameter optics are being developed and used in space applications. Telescopes and observation instruments with up to 12 inches (30cm) diameter optics have proven to be beneficial in enabling more accurate data collection and analysis.

There are some critical steps needed in order to create an effective optical design. Whether a basic design or complex, it is important to find a supplier that can produce your product in a quick, cost-effective way. Ross Optical is a reliable partner known to improve time to market and optimize your product performance.

Nestor Sigala joined Ross Optical earlier this year to help with Optomechanical Design and Sales. We sat down with Nestor to discover more about his background and contributions to Ross Optical.

When creating an optical system, there are many challenges an engineer faces when choosing how to design a lens. Choosing the correct lens without the right tools can prove to be very difficult and costly. Zemax, a ray-tracing optical design software program, provides designs and analyses for imaging and illumination systems. This allows for the user to view the way different lenses work while providing analysis diagrams documenting a variety of data sets. Zemax is a great tool to improve performance, shorten time to market, and reduce production costs.

This article is the last of our three-part series on optical design secrets. In previous blogs we explained some important aspects of optical manufacturing, and we offered advice on how to protect your production schedule by using reliable optics sourcing to defend your optics supply chain. This final article provides some best practices to follow when using optical design software. There are too many programs and applications for us to give software-specific advice, but our optical design expertise enables us to provide some important principles that apply whenever you use software to optimize the performance of an optical system design .

This article is the first of a three-part series on aspects of design that are sometimes overlooked in optics courses. Optical design is often as much art as science. However, it is not magic! Like any art or science, skill in the trade comes only with experience and practice. That said, you can save time by learning from the experience of others.

The optical assembly process is often treated as an afterthought of the design process; however, once a product has gone into production, assembly becomes a dominant cost. Designing for ease of assembly becomes a considerable cost-saver in the long run. Below we offer three important points to consider as you develop a product.

What is super-polishing? 

Super-polishing is a new classification for optical surface quality, sometimes referred to as "atomically smooth." By this we mean surface roughness features that can be measured in Angstroms, which are ten times smaller than nanometers. A single hydrogen atom is roughly 1 Å in diameter, so super-polishing really is “atomic.” By comparison, a λ/100 specification is 6 nm.

Optical assembly is an important step in the production of an optical system—as well as a major cost driver. As we’ve previously discussed, designing optics with assembly in mind can ease the transition from prototype to final product and save money in the long run. But beyond design, the “who” and “where” of assembly can also affect price.

We recently conducted a survey to learn more about how professionals in the optics industry are managing their supply chains. Respondents spanned a range of industries and roles, but a few similarities emerged.