DOE_Random Dot Patterns (Random Dot Patterns)
Manufacturer/Distributor: FLC
: LD-Collimators-Diffractive-Optics
Diffractive Optical Element (DOE)
Description:
Manufacturer/Distributor: FLC
Frankfurt Laser Company (FLC) is known for its innovation and its ability to provide customized solutions to meet specific customer requirements, including hard-to-source and specialized laser diodes. In 2024, the company celebrated its 30th anniversary, reflecting on a successful history of technological advancements that have significantly contributed to the development of the laser industry.
LD Collimators & Diffractive Optics: Beam-Splitter
Diffractive beam splitters offer several advantages. They provide precise control over the angles and intensities of the split beams, can be very thin and lightweight compared to traditional beam splitters, and can be designed to work efficiently with specific wavelengths of light. Applications of diffractive beam splitters include laser systems for splitting laser beams into multiple paths for parallel processing, optical metrology in interferometers and other measurement devices, display technology in projection systems and holographic displays, and spectroscopy for dispersing light into its constituent wavelengths.
LD Collimators & Diffractive Optics: Pattern-Generator
Diffractive pattern generators stand out due to several unique characteristics that distinguish them from other optical technologies. One of their most significant advantages is their ability to precisely control light at a microscopic level. The microstructures on the diffractive optical elements (DOEs) are meticulously designed to manipulate the phase and amplitude of light waves, enabling the creation of highly accurate and complex light patterns. This level of precision is challenging to achieve with traditional optical components. Another key feature is the high degree of customization and versatility they offer. By designing specific patterns into the DOE, manufacturers can tailor the light output to meet various application needs. Whether producing simple shapes like lines and circles or more intricate designs for holography and 3D imaging, the versatility of these generators makes them suitable for a wide range of uses. Diffractive optics pattern generators are also known for their efficiency and compactness. Compared to conventional optics that rely on refraction and reflection, diffractive optics can achieve similar or superior performance with much thinner and lighter components. This efficiency leads to more compact and lightweight designs, which are particularly advantageous in portable devices and systems where space and weight are critical factors. The ability to produce light patterns with very high resolution and uniformity is another hallmark of diffractive optics pattern generators. This quality is essential in applications like laser projection and optical metrology, where clarity and consistency of the light pattern are paramount. Additionally, these generators can be designed to work with specific wavelengths of light, including visible, ultraviolet, and infrared. This wavelength versatility allows for their use in a wide range of scientific and industrial applications, from microscopy to laser cutting and medical imaging. Diffractive optics pattern generators are highly compatible with modern laser and photonic technologies. They can be integrated into existing systems to enhance performance and functionality, such as improving beam shaping in laser machining or enhancing image quality in projection systems. The robustness and durability of these generators are notable as well. The microstructures on DOEs are typically etched or printed onto durable materials, making them robust and long-lasting. This durability is especially beneficial in industrial environments where equipment must withstand harsh conditions. Finally, while the initial design and fabrication of DOEs can be complex, the production process can be highly cost-effective, especially for large quantities. Once a DOE design is finalized, it can be replicated with high precision at a relatively low cost, making it an economical choice for mass production. In summary, diffractive optics pattern generators are distinguished by their precision, versatility, efficiency, high-quality output, wavelength adaptability, ease of integration, robustness, and cost-effectiveness. These attributes make them a preferred choice in various advanced optical applications, from industrial manufacturing to cutting-edge scientific research.
This article refers to: DOE_Random Dot Patterns (Random Dot Patterns) (Manufacturer/Distributor: FLC : LD-Collimators-Diffractive-Optics LD Collimators & Diffractive Optics: Pattern-Generator ) - Random Dot Patterns
| Pattern Size @ 100 mm Distance (@ Design Wavelength) | Pattern Angles (@ Design Wavelength) | ||||||||
| DOE Item # | Description | Design Wavel. | a | b | d | α | β | δ | Optimum Wavelength Range |
| FDE-R332 | 33000-Dot Pseudo-Random | 830 nm* | 136.9 mm | 114.6 mm | 76.3 mm | 68.8° | 59.6° | 41.7° | 820 – 850 nm |
| FDE-R335 | 33000-Dot Pseudo-Random | 645 nm* | 101.3 mm | 84.8 mm | 56.4 mm | 53.7° | 45.9° | 31.5° | 630 – 660 nm |
| FDE-R372 | 40100-Dot Pseudo-Random | 850 nm* | 135.6 mm | 114.9 mm | 72.0 mm | 68.3° | 59.7° | 39.6° | 825 – 870 nm |
| FDE-R373 | 31806-Dot Truely-Random | 830 nm* | 146.9 mm | 118.5 mm | 86.9 mm | 72.6° | 61.3° | 47.0° | 800 – 890 nm |
| FDE-R374 | 47708-Dot Truely-Random | 830 nm* | 146.9 mm | 118.5 mm | 86.9 mm | 72.6° | 61.3° | 47.0° | 800 – 890 nm |
| FDE-R375 | 29594-Dot Pseudo-Random | 830 nm* | 146.7 mm | 118.5 mm | 86.5 mm | 72.5° | 61.3° | 46.8° | 810 – 850 nm |
| FDE-R384 | 51978-Dot Truely-Random | 640 nm* | 162.8 mm | 97.5 mm | 130.4 mm | 78.3° | 52.0° | 66.2° | 610 – 660 nm |
| FDE-R385 | 101050-Dot Truely-Random | 640 nm* | 167.4 mm | 100.4 mm | 133.9 mm | 79.9° | 53.3° | 67.6° | 610 – 660 nm |
*Large-angle pattern that due to its symmetry properties is subject to geometrical distortion, if the DOE is used at laser wavelengths significantly different (Δλ > 50nm) from the design wavelength.
- FLC
- LD-Collimators-Diffractive-Optics
- Pattern-Generator
