Dia.6 9mm laser line prism with coating

Dia.6 9mm Laser Line Prism with Coating

Powell lenses are lenses that create a straight laser line by dispersing, in a controlled way, an input collimated beam. They were first proposed in 1987 by I. Powell where he describes the design of an optical element for laser beam line expansion; that element bears some resemblance to a prism with a small radius at its apex and expands the laser beam in only one direction.

Optimized for a 0.8mm diameter laser beam input, our Powell Lenses, also known as Laser Line Generator Lenses, convert laser beams into uniform, straight lines. Unlike cylindrical lenses, which generate Gaussian beam profiles with hot-spot center points and fading edges, Powell Lenses provide an even distribution of energy along the length of the entire line. An antireflection (AR) coating applied to the roof and output face from 400 nm to 700 nm.

While it’s assumed that using cylindrical lenses creates the same effect, thus making Powell lenses unnecessary, a big difference between the line created by a cylindrical lens and that created by a Powell lens can be found in the beam intensity along the generated line.

It is possible to create a laser line using cylindrical lenses, however, the intensity profile of such a line will have a Gaussian-like distribution, meaning that the line will have a higher distribution at its center and it will slowly fade away as we reach the edges.


These Laser Line Generator Lenses, also known as Powell lenses, generate a straight, uniform laser line by fanning out a collimated beam in one dimension, as shown in the diagram above. The apex of each lens features an aspheric curve that evenly distributes the optical power, resulting in an intensity variation of less than 25% over the center portion of the line. You will get more even energy distribution along the laser line than using the rod lenses and lenses.

The Powell Lens can be widely used in alignment, machine vision systems, construction and process control fields.

Worldhawk can provide all kinds of optical products processing, coating service, assembling the lens and high-altitude monitoring quipment and so on. We consider our customer relationship to be a valuable asset, We understand that your application is not standard and so we offer customization of all of our products.

Specifications
Material (Substrate)	H-K9L ( N-BK7 ), H-ZF7LA ( N-SF6 )
Diameter	φ6,φ9 +0/-0.05 mm (or customized)
Height	6.5~8.5mm+/-0.05 mm (or customized)
Fan Angle	8°~110° +/-3% deg
Energy Uniformity	<20% (central 80% of line.)
Straightness of line	<0.1%
Apex Offset	<0.02mm
Wavelength Range	400nm-1100nm
Clear Aperture	≥90%
Input Beam Size	Dia. 0.5-5mm
Scratch and Dig (S/D)	60/40 40/20
Coating	Uncoated, AR, BBAR, Reflective
RoHS	Compliant

Powell lens are available with output fan angles of 5°-110°. They are designed for use at 405-900 nm with an input beam diameter of 0.8-5.0 mm.

Rectangular input beam can be customized for powell lens.

The powell lens can be widely used in alignment, machine vision systems, construction and process control fields.

Product application introduction:

· Laser Line Generator Lenses, also known as Powell lens, Powell prism, generate a straight, uniform laser line by fanning out a collimated beam in one dimension.

· Optical Filters are used in applications such as fluorescence microscopy, clinical chemistry, spectroscopy, or machine vision inspection. Including bandpass interference filter, Cut off filters, UV bandpass filter, Narrow bandpass filter, ND filter, Negative Filter or Notch filters, Dichroic filter, Color glass filter.

· Prisms are widely used in optical system, which can reflect, deviate and rotate beams of light as well as dispersing their wavelengths. Including Right Angle Prism, Rhomboid Prisms, Roof Prisms, Panta Prisms, Dove Prisms, corner cube prisms and so on customize prisms.

Contact us if you need more details on Dia.6 9 Mm Laser Line Prism. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Dia.6 9 Mm Laser Line Gennerator、Powell Lens with Coating. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Laser Line Generator > Standard Powell Lens