Photonics Spectra White Papers

MTF measurement usually comprises the optics under test and additional measurement or relay optics. The whitepaper from TRIOPTICS shows that the theoretical measurement error can increase significantly when using low-quality measuring optics which are not correctly optimized for MTF measurement.

Raman microscopy is a powerful technique for identifying the source of forensic samples, such as paint traces. It can differentiate samples that could be construed as having a common origin based on visual characteristics. A multiple-wavelength study highlighted the effects of resonance Raman...

There is a rising demand for greener, more sustainable analytical methods that reduce the amount of CO2 released, cut down on solvent use, and decrease energy consumption. FT-NIR spectroscopy can address these concerns, and it stands out as an eco-friendly alternative to wet chemistry and...

Accurate control over film thickness and uniformity is essential for throughput and performance in the automotive, aerospace, semiconductor, medical, and research industries. The modern standard for 3D, non-contact measurements of surface topography and texture is white light interferometry (WLI),...

Space can be a harsh environment for optical coatings. Optimax has successfully provided antireflection (AR) coatings for a wide range of space applications. This paper outlines the results of testing done to qualify Optimax AR coatings for Space.

Quantification of surface finish is both complex and necessary. Despite surface topography being three-dimensional, the most established surface measurement parameter is average roughness (Ra), a two-dimensional parameter. Ra is easy to measure and can be compared with historical data, but does...

The ILMS is designed for profiling focused, high-power industrial lasers. This system combines reimaging/magnification optics, a polarization preserving beam sampler, and a DataRay beam profiler to measure small beam waists which would otherwise damage a traditional profiling system. Magnification...

The maximum power of the continuous wave (CW) lasers on the market has been continuously growing, and has increased by almost a thousand times in just over a decade. Most of the manufacturers and users of such lasers are currently dealing with new challenges related to laser damage resistance and...

This paper highlights a range of options to utilize Photoelastic Modulators (PEMs) with imaging systems to generate full field polarimetric measurements. Due to the resonant nature of the polarization modulation, the change in polarization cannot be directly controlled and happens at the natural...

Downstream processing refers to the recovery and purification of biosynthetic pharmaceutical products by chromatographic and filtration steps. High-Throughput Raman Spectroscopy is emerging as a real-time measurement technique for monitoring these processes, as it provides detailed molecular and...

Rapid technological advancements are transforming traditional manufacturing. Modern data science is driving ‘smart manufacturing,’ changing how processes are developed, monitored, and assessed. Smart manufacturing boosts productivity, sustainability, and economic performance by integrating all...

An in-depth look at the advancements in quantum computing and the use of lasers from the team at the Bernien Lab at the University of Chicago. The team builds quantum computers out of individual atoms. Quantum computing might sound like something out of science fiction, but small-scale quantum...