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GoPhotonics brings together a comprehensive selection of state-of-the-art optical filters, tailored to support the evolving requirements of modern photonics applications. These filters encompass a wide spectrum of technologies, including bandpass, edge, notch, longpass, shortpass, and tunable designs, delivering exceptional control over wavelength transmission and rejection. By ensuring low insertion loss, high isolation, and remarkable wavelength stability, GoPhotonics’ portfolio provides solutions that address the most demanding environments across telecommunications, datacom, spectroscopy, biomedical imaging, laser systems, and sensing.
Engineered with precision, the filters enable superior spectral selectivity and purity, allowing designers to isolate, block, or transmit specific wavelength bands with accuracy. Their robust construction ensures performance stability under varying temperature, mechanical, and environmental conditions - making them suitable for both laboratory research and field-deployed systems. With this curated range of advanced optical filters, GoPhotonics empowers engineers, researchers, and system integrators to optimize light management in complex photonic architectures, ensuring higher efficiency, signal fidelity, and overall system performance.
800DIR50: Precise Wavelength Control for Advanced Optics
The 800DIR50 interference bandpass filter from Knight Optical (UK) Ltd is designed for precise wavelength selection in advanced optical systems. With a central wavelength of 800 nm and a 50 nm bandwidth, the filter transmits light within a targeted spectral range while effectively blocking all other wavelengths. Its dielectric construction ensures high durability, and the filter delivers peak transmission above 70% alongside OD 4 blocking, providing reliable performance in demanding optical setups. Measuring 50 mm in diameter and 6.1 mm in thickness, the 800DIR50 is suitable for integration into laser systems, fluorescence microscopy, and optical instrumentation. Covering an operational range from 200 nm to 1150 nm, it supports applications across the UV, visible, and near-infrared spectrum. By offering precise optical control and robust performance, this filter enables engineers and researchers to optimize light management, maintain signal fidelity, and achieve consistent results in high-precision photonics applications.
PP-UVFS-25.4-3.0-DM438-AR804EL: High-Performance UV Dichroic Mirror
The PP-UVFS-25.4-3.0-DM438-AR804EL optical filter from OPTOMAN, engineered for precise wavelength separation in ultrafast laser systems. This mirror features a 25.4 mm diameter and 3 mm thickness, crafted from UV-grade fused silica (Corning 7980 0F) to ensure high durability and minimal thermal distortion. It boasts a clear aperture greater than 90%, surface quality of 10-5 S-D MIL-PRF-13830B, and surface flatness of less than λ/8 at 633 nm, ensuring exceptional optical performance. This mirror is optimized for reflecting the 343 nm third harmonic and transmitting the 515 nm and 1030 nm fundamental and second harmonic wavelengths, respectively. Coated using Ion Beam Sputtering (IBS) technology, it achieves reflectance greater than 99.6% for the 343 nm wavelength and transmittance greater than 98% for both the 515 nm and 1030 nm wavelengths at a 45° angle of incidence. Designed for high average power and high repetition rate conditions, this mirror offers a laser-induced damage threshold (LIDT) greater than 0.2 J/cm² at 343 nm with 300 fs pulses, making it a reliable choice for demanding industrial, medical, and scientific applications.
GG Series: Color Glass Optical Filters
The GG Series color glass optical filters from Optics and Allied Engineering Pvt. Ltd., designed to provide precise wavelength transmission in the visible spectrum. These filters are engineered to transmit light within the wavelength range of 400 nm to 495 nm, making them ideal for applications requiring specific wavelength selection. These filters are crafted to meet the needs of various optical systems, offering reliable performance for applications such as fluorescence microscopy, optical instrumentation, and laser systems. Their ability to selectively transmit light within the specified wavelength range ensures optimal performance in demanding optical setups, providing engineers and researchers with the tools needed to achieve precise optical control and maintain signal fidelity in their systems.
50161FNB: Precision VUV Filtering for Advanced Applications
The 50161FNB VUV Bandpass Filter from eSource Optics, engineered for high-performance wavelength isolation in the vacuum ultraviolet spectrum. This filter features a central wavelength of 161 nm with a 20 nm full width at half maximum (FWHM) bandwidth, providing precise transmission characteristics for demanding optical systems. Constructed from VUV-grade magnesium fluoride (MgF2), the filter ensures minimal absorption and high transmission efficiency in the VUV range. Its 50.8 mm diameter and 2 - 3 mm thickness make it suitable for integration into various optical setups. This filter is designed to withstand the rigors of high-power and high-repetition-rate environments. It boasts a laser-induced damage threshold (LIDT) greater than 0.2 J/cm² at 161 nm with 300 fs pulses, ensuring reliable performance in demanding applications. The filter's surface quality of 20-10 scratch-dig and parallelism of approximately 5 arc minutes contribute to its exceptional optical performance. With a clear aperture greater than 85% and edge chamfering of approximately 0.5 mm at 45 degrees, the 50161FNB filter is designed for easy integration and optimal light throughput in VUV optical systems.
42-5035-000: High-Performance Bandpass Filter
The 42-5035-000 Bandpass Optical Filter from Ealing Corporation, designed for precise wavelength selection in optical systems. This filter features a central wavelength of 390 nm with a full width at half maximum (FWHM) bandwidth of 10 nm, providing narrow spectral transmission for demanding applications. It offers a minimum peak transmission of 30% and a clear aperture greater than 90%, ensuring efficient light throughput. The filter is constructed to meet stringent optical performance standards, making it suitable for integration into various optical setups. This filter is built to withstand the rigors of high-power and high-repetition-rate environments. It is designed to maintain consistent performance across a wide range of operating conditions, ensuring reliability in demanding applications. Its durable construction and precise optical characteristics make it an excellent choice for researchers and engineers seeking high-quality optical filtering solutions.
Together, these advanced optical filters from GoPhotonics’ curated portfolio provide precise wavelength control, high transmission efficiency, and robust performance across UV, visible, and near-infrared applications. Engineered for demanding environments, they empower researchers, engineers, and system designers to achieve reliable, high-fidelity optical performance in laser systems, microscopy, spectroscopy, and a wide range of photonics instrumentation. With GoPhotonics’ selection of bandpass, dichroic, and VUV filters, every optical system can benefit from enhanced spectral precision and dependable long-term operation.
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