Enhanced Non-Visible Light Blocking Filter Design Offers Superior Short-Wave Pass Performance in Near-Infrared Spectrum Regions
Introducing the Powerhouse Short-Wave Pass Filter (SWPF)
Hey there! Let's dive into the world of cutting-edge optics and unwrap the intriguing short-wave pass filter (SWPF) crafted by I-Photonics. This bad boy was whipped up using OTF Studio software and the PARMS-based Meridian1100 coating system, stationed right in Vilnius, Lithuania.
So what exactly is this SWPF, you ask? It's a game-changer in applications like biomedical imaging, laser-induced fluorescence, and precision spectroscopy, as it slashes down background noise with its snappy wavelength separation skills. The secret? A narrow visible passband and ultra-steep spectral edges that leave noise kicking its heels!
This thin marvel comprises a mind-boggling 130 layers of Ta2O5 and SiO2, stacked neatly on a high-purity fused silica substrate. The layers in this multilayer coating add up to a majestic 12 μm thickness. So, what do these numbers mean? Well, this bad boy transmits 90% in the 520-690 nm range, while blocking anything between 690-940 nm with an optical density exceeding OD > 6! And guess what? The party doesn't stop there, as the blocking prowess extends up to an impressive 1070 nm, maintaining OD > 4.
Want to see it in action? Let's crank the charts! The spectral characterization was handled by the PHOTON RT 0420 Ultra spectrophotometer, and we've got the results to show for it. The measured transmission closely squeezed up to its theoretical model across the entire wavelength range, with stunning edge steepness as low as 0.02%. In the near-infrared region, the SWPF exhibits encounter-breaking blocking performance, boasting measured average transmittance as low as 0.0004116% in the 690-940 nm range, which equates to an optical density greater than OD 7.4. The party's not over; the SWPF managed to keep theblocking game strong up to 1070 nm, with OD > 5.6.
This technological masterpiece is a testament to I-Photonics' capabilities. Their expertise in Ion Beam technology and the Physics of Thin Films is a force to reckon with. They've cooked up coatings for every nook and cranny of precision optics and got some mad skills in developing hardware to boost the power of existing coating technologies. With a wealth of built coating equipment and processes, they're ready to roll out competitive turn-key equipment and coating solutions for a plethora of applications.
Want to know more about the world-class brilliance that is I-Photonics? Keep it locked here for more intel!
Authors: Yauhen Khakhlou, Nadzeya KhinevichI-Photonics UAB, Vilnius, Lithuania
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The Powerhouse Short-Wave Pass Filter (SWPF) is a technological marvel that showcases both science and technology, finding major applications in fields such as biomedical imaging and precision spectroscopy due to its exceptional wavelength separation skills. I-Photonics, the masterminds behind this innovation, are not only experts in Ion Beam technology and the Physics of Thin Films but also have a knack for developing hardware to enhance the power of existing coating technologies, making them a significant player in the field of precision optics.
