2024715 — Vision inspection systems play a crucial role in ensuring quality assurance and compliance within manufacturing processes. By employing advanced ...

Optical Filters and Dichroics are components which are used to transmit or block specific wavelengths of light, for the purpose of controlling light in an optical system.

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Shortpass filters (sometimes called edge filters, short pass, Short-pass, or SP) transmit wavelengths below (SP) a certain wavelength. This wavelength is called a cutoff wavelength for shortpass filters. SP filters are often used in digital cameras to block undesired near-infrared (NIR) signals from reaching the camera. These types of filters are often called hot mirrors.

Linear variable filters are bandpass filters that change center wavelength across one dimension of the part. They can be used as simple spectrometers or in order-sorting applications. These elements are very useful for Hyperspectral Imagers

Bandpass filters (also called band pass filters, BP filters or band-pass filters) have been a mainstay of Omega's business since the early days when we produced some of the first bandpass filters for supermarket scanners back in the mid-1970s. They are designed to have high transmission over a certain wavelength range while blocking light from other wavelengths to provide good signal-to-noise in the transmitting region.

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Omega Optical has the capability to produce traditional Bandpass and Notch filters in the near-infrared (NIR), shortwave (SWIR), mid-wave (MWIR), long-wave (LWIR), and far infrared (FIR).

Optical filters and dichroics operate based on thin-film interference. Multiple layers of dielectric materials with varying refractive indices are deposited on to a substrate using evaporation or sputtering. The constructive and destructive interference of light waves at these layers results in selective reflection and transmission of different wavelengths.

Standard Features and Requirements • Heavy Duty Steel Frame Design • Pallet Jack Movable • Heavy Acrylic Tank allows for easy viewing and durability • Mic 6 Tooling plate surface top – casted and machined for a Flat Surface • Leveling feet and weight mean it will not need to be anchored • Manual Swivel/Lock • Laptop Computer provided to operate X, Y, & Z-Axis manipulation • Ethernet and Serial post connections to the system for communications • Pump and Filter integrated to clean particulates • Garden Hose connector provided to easily drain the water • All parts in or touching the water are Stainless Steel or Bronze for durability • Flexible to integrate a wide variety of UT instruments and software • Color: Ruby Red • Power Requirements: 120 VAC

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Omega has been manufacturing UV filters for more than 85 years. UV light (in the 200 nm - 400 nm range) has many commercial and consumer-level applications. UV light can be used in photolithography or dentistry to photoset polymers, and in biomedical applications to excite molecules during surgery. It can be used to measure DNA and to sterilize our water and the air we breathe.

Multi-band filters and dichroics are used when an optical system design cannot support multiple filters. These multi-band filters can be configured as bandpass or notch (band-reject) for desired ranges, and in dual, triple, quad, penta or even octo-band (8 bandpasses!).

The LS-50 UT Scanner system is robust with a very heavy duty steel frame to help provide the stability to produce the best inspection results. The Mic 6 Tooling plate top surface will provide a stable foundation for repeatability and accuracy of your UT Inspection system for the long-term. More than just a lab scanner it is well suited for production or lab environments – part types for inspection could include: drive shafts, gears, rectangular plates, complex shapes, and composites to name a few.

A specialized version of a long-pass filter, typically designed to reflect the ultraviolet (UV) or visible (VIS) portion of the spectrum while passing longer infrared (IR) wavelengths.

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Dichroic filters, also known as dichroic mirrors, are specialized optical filters that selectively transmit light of certain wavelengths while reflecting others. They are designed to work at specific angles of incidence, typically at 45 degrees.

A specialized version of a short-pass filter, typically designed to transmit the ultraviolet (UV) or visible (VIS) portion of the spectrum while reflecting longer infrared (IR) wavelengths.

Reflective ND filters provide a linear spectral transmission across the visible region. They control light intensity without selectively absorbing energies at specific wavelengths. They are, therefore, generally used to attenuate the intensity of a beam of light over a broad spectral region. This property is often required to prevent saturation or damage to a wide variety of detectors and even the human eye.

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2023214 — Several types of different objective lenses are available. Objective lenses are the optic components of microscopes that take light from the ...

Omega routinely produces filters which selectively transmit or reject wavelength bands of less than 1nm and even less than 0.1nm

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Longpass filters (sometimes called edge filters, long pass, long-pass, or LP) transmit wavelengths above (LP) a certain wavelength. This wavelength is called a cuton wavelength for longpass filters. LP filters can be used instead of bandpass filters in fluorescence applications to maximize signal when using a single fluorescent label, or to block the laser in Raman applications.

Multi-Camera Inspection. Our GEVA vision systems offer the performance and flexibility to inspect multiple parts, assemblies or surfaces at the same time. These ...

In applications which demand spectral selectivity on the entrance or exit of a fiber, Omega has a solution to deposit one or more filter recipes to a fiber (or fiber bundle).

Patterned filters are useful in applications where lateral space constraints require discrete wavelength selection. This is often the case with Earth Observation filters.