Powell Lenses: The Ideal Laser Line Generators
Powell lenses are pivotal optical components that transform collimated laser beams into straight lines characterized by uniform intensity distribution. This technology is essential in various applications, including machine vision, 3D triangulation, and industrial processing, where precise illumination is crucial.
The Optical Design
Powell lenses, resembling prisms with rounded roofs, utilize a unique aspheric curvature that effectively redistributes laser light. Unlike cylindrical lenses, which often result in poorly illuminated lines due to the inherent Gaussian distribution of the laser beam, Powell lenses generate straight lines with consistent energy distribution across their length. This innovation is particularly beneficial in fields requiring uniform illumination, such as in manufacturing and research.
What We Have?
Specifications
| Material | N-BK7(H-K9L), N-SF57, N-SF2, N-SF6(H-ZF7LA) |
| Diameter | 6mm, 9mm or customized |
| Diameter Tolerance | +0.00/-0.06mm |
| Fan Angle | 5°- 130° ±3% |
| Wavelength Range | 400nm-1100nm |
| Input Beam diameter | 0.5mm, 0.8mm, 1mm, 2mm, 4mm, 5mm, or other |
| Surface Irregularity | λ/4@632nm， 1.5λ@632.8nm |
| Surface Quality (Scratch/Dig) | 80/50, 60/40 |
| Line Uniformity | 20% variation over central 80% of line at 632nm |
| Line Straightness | 0.1% over central 80% of line at 632nm |
| Coating | No coating, AR coating, BBAR coating, as requested |
| Item No. | Incident Beam (mm) | Fan Angle(°) | Diameter(mm) | Height(mm) |
|---|---|---|---|---|
| CL-PW08GB-05 | 0.8 | 5 | 9 | 8 |
| CL-PW08GB-10 | 0.8 | 10 | 9 | 8 |
| CL-PW08GB-15 | 0.8 | 15 | 9 | 8 |
| CL-PW08GB-20 | 0.8 | 20 | 9 | 8 |
| CL-PW08GB-30 | 0.8 | 30 | 9 | 8 |
| CL-PW08GB-35 | 0.8 | 35 | 9 | 8 |
| CL-PW08GB-40 | 0.8 | 40 | 9 | 8 |
| CL-PW08GB-45 | 0.8 | 45 | 9 | 8 |
| CL-PW08GB-50 | 0.8 | 50 | 9 | 8 |
| CL-PW08GB-55 | 0.8 | 55 | 9 | 8 |
| CL-PW08GB-60 | 0.8 | 60 | 9 | 8 |
| CL-PW08GB-65 | 0.8 | 65 | 9 | 8 |
| CL-PW08GB-70 | 0.8 | 70 | 9 | 8 |
| CL-PW08GB-75 | 0.8 | 75 | 9 | 8 |
| CL-PW08GB-90 | 0.8 | 90 | 9 | 8 |
| CL-PW08GB-110 | 0.8 | 110 | 9 | 8 |
| CL-PW1GB-05 | 1 | 5 | 9 | 8 |
| CL-PW1GB-10 | 1 | 10 | 9 | 8 |
| CL-PW1GB-15 | 1 | 15 | 9 | 8 |
| CL-PW1GB-20 | 1 | 20 | 9 | 8 |
| CL-PW1GB-30 | 1 | 30 | 9 | 8 |
| CL-PW1GB-35 | 1 | 35 | 9 | 8 |
| CL-PW1GB-40 | 1 | 40 | 9 | 8 |
| CL-PW1GB-45 | 1 | 45 | 9 | 8 |
| CL-PW1GB-50 | 1 | 50 | 9 | 8 |
| CL-PW1GB-55 | 1 | 55 | 9 | 8 |
| CL-PW1GB-60 | 1 | 60 | 9 | 8 |
| CL-PW1GB-65 | 1 | 65 | 9 | 8 |
| CL-PW1GB-70 | 1 | 70 | 9 | 8 |
| CL-PW1GB-75 | 1 | 75 | 9 | 8 |
| CL-PW1GB-90 | 1 | 90 | 9 | 8 |
| CL-PW1GB-110 | 1 | 110 | 9 | 8 |
| CL-PW2GB-05 | 2 | 5 | 9 | 8 |
| CL-PW2GB-10 | 2 | 10 | 9 | 8 |
| CL-PW2GB-15 | 2 | 15 | 9 | 8 |
| CL-PW2GB-20 | 2 | 20 | 9 | 8 |
| CL-PW2GB-30 | 2 | 30 | 9 | 8 |
| CL-PW2GB-35 | 2 | 35 | 9 | 8 |
| CL-PW2GB-40 | 2 | 40 | 9 | 8 |
| CL-PW2GB-45 | 2 | 45 | 9 | 8 |
| CL-PW2GB-50 | 2 | 50 | 9 | 8 |
| CL-PW2GB-55 | 2 | 55 | 9 | 8 |
| CL-PW2GB-60 | 2 | 60 | 9 | 8 |
| CL-PW2GB-65 | 2 | 65 | 9 | 8 |
| CL-PW2GB-70 | 2 | 70 | 9 | 8 |
| CL-PW2GB-75 | 2 | 75 | 9 | 8 |
| CL-PW2GB-90 | 2 | 90 | 9 | 8 |
| CL-PW2GB-110 | 2 | 110 | 9 | 8 |
| CL-PW3GB-05 | 3 | 5 | 9 | 8 |
| CL-PW3GB-10 | 3 | 10 | 9 | 8 |
| CL-PW3GB-15 | 3 | 15 | 9 | 8 |
| CL-PW3GB-20 | 3 | 20 | 9 | 8 |
| CL-PW3GB-30 | 3 | 30 | 9 | 8 |
| CL-PW3GB-35 | 3 | 35 | 9 | 8 |
| CL-PW3GB-40 | 3 | 40 | 9 | 8 |
| CL-PW3GB-45 | 3 | 45 | 9 | 8 |
| CL-PW3GB-50 | 3 | 50 | 9 | 8 |
| CL-PW3GB-55 | 3 | 55 | 9 | 8 |
| CL-PW3GB-60 | 3 | 60 | 9 | 8 |
| CL-PW3GB-65 | 3 | 65 | 9 | 8 |
| CL-PW3GB-70 | 3 | 70 | 9 | 8 |
| CL-PW3GB-75 | 3 | 75 | 9 | 8 |
| CL-PW3GB-90 | 3 | 90 | 9 | 8 |
| CL-PW3GB-110 | 3 | 110 | 9 | 8 |
| CL-PW5GB-05 | 5 | 5 | 9 | 8 |
| CL-PW5GB-10 | 5 | 10 | 9 | 8 |
| CL-PW5GB-15 | 5 | 15 | 9 | 8 |
| CL-PW5GB-20 | 5 | 20 | 9 | 8 |
| CL-PW5GB-30 | 5 | 30 | 9 | 8 |
| CL-PW5GB-35 | 5 | 35 | 9 | 8 |
| CL-PW5GB-40 | 5 | 40 | 9 | 8 |
| CL-PW5GB-45 | 5 | 45 | 9 | 8 |
| CL-PW5GB-50 | 5 | 50 | 9 | 8 |
| CL-PW5GB-55 | 5 | 55 | 9 | 8 |
| CL-PW5GB-60 | 5 | 60 | 9 | 8 |
| CL-PW5GB-65 | 5 | 65 | 9 | 8 |
| CL-PW5GB-70 | 5 | 70 | 9 | 8 |
Need Help?
If you don’t find a suitable powell lens, please contact us to verify and send us your actual requirements so that we can customize it.
Mechanisms of Light Distribution
Spherical Aberration and Energy Redistribution
The distinctive rounded roof of the Powell lens introduces spherical aberration, which counteracts the typical Gaussian profile of laser beams. This aberration reduces intensity at the center while enhancing it toward the edges, yielding a uniformly illuminated line—a feat not easily accomplished by other optical solutions.
Fan Angle Implications
The fan angle, determined by the lens’s refractive index and roof angle, directly impacts the width and brightness of the generated line. For instance, a steeper roof combined with a higher refractive index enables broader fan angles, producing longer lines at specified distances.
Applications and Benefits
Versatile Usage Across Industries
Powell lenses are employed in a variety of fields, including:
- Machine Vision: Enhancing detection and measurement accuracy.
- Biomedical Applications: Facilitating precise imaging and diagnostics.
- Industrial Inspection: Ensuring consistent quality control.
- Scanning Technologies: Supporting various laser-based scanning applications.
Performance Advantages
The optical performance of Powell lenses, particularly their intensity uniformity and high contained power, ensures that they outperform traditional optical components. This reliability translates to improved measurement accuracy and reduced variability across applications.
Why Us
1. Our customers can customize laser incident spots of various shapes and sizes – round, oval, square, rectangular – to meet their own specific needs. Spot sizes range from 0.5mm to 18mm for this service.
2. Our Powell lenses are manufactured to international standards with precise manufacturing. Their uniformity reaches 80-90% within 90% of the center area of a laser line – essential when using high precision lenses for laser lines with tight tolerances.
3. At our company, we use advanced technology to guarantee 99.9% straightness for every line we create, with no defects such as stray light, dark streaks or shadow lines around bars.
FAQs
Powell lenses stand at the forefront of optical innovation, delivering exceptional performance in laser line generation. Their unique design and versatile application make them indispensable in modern optical systems. For specific requirements, custom options are available, ensuring that each lens meets the exact needs of its application, supported by decades of manufacturing expertise.
By harnessing the advanced capabilities of Powell lenses, industries can achieve unparalleled consistency and efficiency in their optical applications.
What makes Powell lenses superior for laser line generation?
Powell lenses address the drop in intensity associated with cylindrical lenses, providing uniform illumination throughout for applications requiring precise measurements or high quality imaging. This uniformity makes Powell lenses indispensable in applications requiring accurate measurements or high quality imaging.
Can Powell lenses be customized for specific applications?
At our facility, we provide customized fan angles and coatings to meet a range of industrial and scientific applications and ensure optimal performance for our customers. This guarantees optimal performance for you.
How do I choose the right fan angle for my application?
Your fan angle choice depends upon the needs and specifications of your application, such as its distance of use or length required, so our team is on hand to advise the optimal angle for maximum effectiveness.
Are Powell lenses compatible with different types of lasers?
Our lenses can be utilized with various laser types – fiber, diode and solid state – providing for an assortment of uses in many different industries and environments.
Connect with Our Experts
We're here to help
Get In Touch
Leading in precision optics, we manufacture Powell Lenses and Prisms for laser line generation. Our Powell products ensure accurate, uniform laser collimation for industrial use.
Address
No. 12 East Yanhe Road, Yancheng City, Jiangsu Province, China
Call Us
+86-18005107299
Email Address
chineselens@foxmail.com
Email Address
sales@chineselens.com
