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Materials, Coatings White Papers
Characterization of Dry Electrolyte Polishing Process
The preservation of the form is demonstrated by complementary form measurements using Ai Focus Variation technique. S neox Five Axis is a versatile metrology tool that perfectly suits our measurement needs and will be from now on a helpful tool in any lab. The S neox Five Axis is specially used to quantify the polishing process quality and to report the roughness reduction in the samples after polishing.
Characterizing the temperature-induced evolution of the shape and texture of a silicon wafer
Using Linkam’s precision temperature control chamber with Sensofar’s Linnik objective lens eliminates these problems and allows accurate measurement of 3D topographic profiles of nanoscale materials. S neox 3D optical profiler with a Linnik...
Surface Characterization of Tribological Coatings: Wear Properties, Thickness and Roughness
With the S mart 3D profilometer, it is possible to more precisely measure the volume loss of the wear tracks after the friction and wear tests, since it measures the real shape of the wear track. There are many parameters that are important to study...
Applying Durable Optical Coatings to Flexible Substrates
Gone are the days of designing a system exclusively around traditional, flat, and rigid optical shapes. Advances in optical coatings and coating processes enable optical design engineers to test the limits of coated, curved, and unusual shapes...
Measuring Absorptance and Refractive Index of Thin Films with UV/Vis/NIR
An optical coating consists of a combination of thin film layers that create interference effects used to enhance transmission or reflection properties for an optical system. In this paper we will show how the absorptance, refractive index, and film...
Are You Facing any Problems Securing Optical Parts?
You need just a couple of pieces for trial. You need to achieve an exact specification. You need to keep the same quality in every order. You cannot find the best fit material for your design. You always need the material certificate. You need to...
Analysis of Metallic Impurities in Si Wafers Using Fully Automated VPD-ICP-MS
This work demonstrates the coupling of an IAS Expert_PS VPD (vapor phase decomposition) system with the Perkinelmer NexION 5000 ICP-MS, delivering a fully automated, reliable solution for the determination of metallic impurities introduced during Si...
The Application of WDM Channel Skip Filters
Telecom channel skip filters are components added to wavelength division multiplexing (WDM) add/drop modules — in both coarse wavelength division multiplexing (CWDM) and dense wavelength division multiplexing (DWDM) applications — to facilitate band...
100% Customized Super Precision Glass Substrate and Parts
For over 65 years, Fujitok has supplied customized precision glass substrates, aspheric lenses, and prisms with cutting-edge polishing technology. We cover various materials like optical glass, fused silica, color filters, and IR crystals including...
Diamond Like Carbon: Why Intlvac's Coatings & Systems are Best Positioned to Support the Booming IR Optics Market
As the IR industry booms, more control, manufacturing power, and excellence is needed. The IR range was traditionally explored for military applications, but it has seen a marked shift toward accessibility for the mass market. It is a field that is...
Trusted Glass Measurements for Better Product Development
The PerkinElmerUL270 integrating sphere is a unique accessory that allows new accuracy to be achieved in the measurement of light-diffusing materials and adequately solves the various measurement problems involved in measuring transmittance and...
Multiband Optical Filters Are Telecom Networks' Multitaskers
Multiband optical filters have long been used in applications such as fluorescence spectroscopy, astronomy, and 3D cinema, to name a few. Such filters not only supported the development of dual- and multibandpass filters for use in the backbone WDM...
Optical Coatings Infographic
Optical Coatings Infographic
Introduction to Optical Replication
Optical replication is a method of re-producing a reflective surface with the identical surface figure and optical performance of a master part. This process facilitates low- to large-volume production of various optic shapes, such as concave and...
Curve Radii Repeatability
This paper quantifies Lattice Materials’ measurement methodology and manufacturing repeatability of a small diameter spherically generated silicon blank.
Multilayer Coating for Extreme Ultraviolet Experiments
Extreme ultraviolet (EUV) multilayer coatings have been designed and fabricated for many kinds of experiments including high-order harmonics application. In this paper, we present recent results obtained with Ru/B4C, Mo/Si, Zr/Al-Si, SiC/Mg...
High-Volume, Cost-Effective Uniform Deposition for Flat and Curved Optical Surfaces
To achieve thin film uniformity on flat surfaces, nearly every conventional physical vapor deposition (PVD) method requires masking, complex motion, or both. For curved surfaces, none of these methods are capable of delivering similar uniformities,...
Fabricating Low Loss GeO
2
Thin Films for Planar Waveguides Such as Photonic Integrated Circuits
High quality GeO2 thin films that exhibit low loss and low surface roughness were produced by Intlvac’s Nanochrome IV PARMS system, proving that ion assisted AC dual sputtering is an effective fabrication technique. This is highly applicable to...
Manufacturing Considerations for Tolerancing Aspheres
As aspheres become more prevalent in optical systems, it is important for lens designers to consider the various tolerances when designing an aspheric lens. The following is provided from the manufacturer's perspective on important tolerances to...
IR Filters for Gas Analysis
Thin film filters specially designed for infrared applications ranging from environmental monitoring, thermal imaging, medical, and power distribution. We offer high transmission, narrow and wide passbands, high rejection outside the passband, and...
Dispelling the Myths About Laminated Filters
There is a common belief that there is no longer a need for traditional bandpass optical filters. While this may be true in some cases, not all laminated filters are created equal. In this paper we will illustrate the advantages and disadvantages of...
LIGHTENING THE LOAD: How Photonics is Reducing our Environmental Impact
Four companies from the Luminate startup accelerator in Rochester, N.Y. are making major contributions to sustainability initiatives with emerging optics, photonics, and imaging (OPI) technologies. Their work is driving energy savings and better...
Mid-IR Dispersive Mirrors
Dispersive mirrors in Mid-IR (1 – 6 µm) range could finally substantially aid the combination of various bulk materials, such as semiconductors (Si, Ge, GaAs) and dielectrics (fluorides, sapphire, YAG) as the straightforward means to compensate...
Hybrid Gain Flattening Filters in Optical Fiber Amplifiers
Iridian Spectral Technologies has developed what is referred to as a Hybrid GFF, which combines the functionality of both a WDM and the GFF on one component. Specifically, a Hybrid GFF can block the pump laser from light in the range of...
Building a DIY Atomic Force Microscope
Atomic force microscopes (AFM) are often seen as out of reach for many scientists with limited budgets. But they are useful and versatile tools for characterizing surfaces, mapping out morphology, and studying the behavior of tiny structures that...
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March 2024
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