Then, the initial structure parameters are determined by pw method. Opticstudio is the leading software used by optical engineers throughout the design phase. You can use them for the micro structuring, marking and labeling of a wide range of materials. Our newest catalog has the most uptodate database of our optical designs, regardless of the zemax version you are using. It is applied to the flatbed scanner and high shot instrument equipment. In laserscanning microscopy often an offtheshelf achromatic doublet is used as a scan lens which can reduce the available diffractionlimited fieldofview fov by a factor of 3 and introduce chromatic aberrations that are scan angle dependent.
Thus, the input beam and output beam angular velocities are directly proportional, allowing the scanning mirrors to run at a constant angular velocity, greatly simplifying control electronics. Prazise laserbearbeitung mit ftheta objektiven jenoptik. F theta scanning lenses designed for laser marking applications with nd. Pdf optical design and performance of ftheta lenses for.
Pdf optical design and performance of ftheta lenses for high. The flatfield scanning lens has optimized the wideangle and long focallength light path, it is widely applied in wide scan range situation. If there is an item not listed or you have questions, please feel free to contact us and we will be more than happy to assist you. Yag lasers fundamental 1064 nm or second 532 nm, or third 355 nm harmonic. Some designs require opticstudio premium or professional. Additionally, the compact design of the f theta lens allows the user to reduce the number of optical components needed to provide a flat image plane. Send mail to webmaster with questions or comments about this web site. Detailed laser processing with ftheta lenses jenoptik. The raw beam diameter is mm and the beam quality m2 f theta lens is placed fig.
Zemax tutorial 1 lens data editor interface youtube. These lenses are able to realize tighter spot sizes, which translate into higher resolution for scanning or printing, as. Users just have to download the application and use it for making their desired project. Pdf ftheta lenses are widely used in remote laser processing. It is used for high speed micro drilling of printed circuit boards, highspeed marking of electronic parts and resin parts, etc. This is especially important for drilling applications such as. This lens focuses a laser beam scanned with a scanner, etc. Optical design and performance of ftheta lenses for highpower and highprecision applications. Setting the zemax zmx file encoding preference to ansi will avoid this issue entirely. Thorlabs specializes in the building blocks for laser and fiber optic systems. Beginning with the initial structure, the final optimized ftheta is achieved with zemax optical design software.
A place for questions and discussions pertaining to optical science and optical engineering. This applies not only to f theta lenses but also to lens systems which should be integrated into an optical setup. Jenoptik designs, develops, manufactures and assembles highly complex polymer optical systems and components. F theta scan lens is used in conjunction with xy galvanometer scanner and beam expander to form a two dimensions scanning system. Hence, the focal lens of the scanning system usually uses the f theta lens to solve this problem. F theta lenses solve many of the problems associated with laser scanning. A key component of a machine vision system is its telecentric lens, which offers the best possible vision for the machine. Designed for highresolution imaging, biomedical, machine vision, and laser scanning app. By introducing a specific amount of barrel distortion in the lens, the image height of the f theta lens is proportional to the scanning angle. Optical design and performance of f theta lenses for highpower and highprecision applications. The diffractionlimited, multipleelement, airspaced lens design is optimized for a flat field in the image plane and low ftheta distortion. Telecentric f theta lenses require very large lens diameters for long scanning paths lens diameter approx. Top companies in aerospace, astronomy, automotive, biomedical research, consumer electronics, and machine vision, use opticstudio as their tool of choice.
Optical design of a new folding scanning system in mems. From optomechanical components to telecom test instrumentation, thorlabs extensive manufacturing capabilities allow us to ship high quality, well priced components and devices for nextday delivery. This can be seen in the application info tab or in the enlarged image in the visible scan lens for laser scanning microscopy. In order to solve the two disadvantages, serious divergence and limited scanning angle, of the traditional optical angle expansion in memsbased scanning system, a new method is proposed, i. The jenoptiks f theta lenses are then optimized for a quadratic scan field where the diagonal of this square is denoted as the scan field diagonal. Lens bending a c e f power splitting power combination a c f i j k. Here we present several simple lens designs of superior quality that fully make use of highna lowmagnification objectives, offering diffraction. Oct 05, 2011 introduction to zemax entry with the lens data editor. Osa optimal lens design and use in laserscanning microscopy.
Ftheta lenses solve many of the problems associated with laser scanning. The scanning position is defined as the distance from the scanning mirror to the end of the externally threaded region on the scan lens housing. It features a focal length of 300 mm and scan angles. Introduction introduction, zemax interface, menues, file handling, preferences, editors, updates, windows. These tools are very simple and easily understandable by anyone. Whether youve loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. Additionally, the compact design of the ftheta lens allows the user to reduce the number of optical components needed to provide a flat image plane. We use lightweight polymers and cover the complete technology chain from the design of parts, modern. Proficiency with zemax does not guarantee success with modeling your optical system. Ftheta lenses available only as spare part for dilas diode laser system or in combination with the galvo scanner.
Zebase 6 must be used with opticstudio or prior versions of zemax. Zemax provides download links to older versions and technical support for those versions for a limited time. Mimimal optical aberrations and low ftheta distortion. F theta distortion e lens for laser scanning microscopy.
Please note that this page is only a representation of our most commonly used replacement ftheta singlet lenses and is not our entire product line. Scanning lenses ftheta product information optical. Apr 23, 2016 by using non uniform rational bspline nurbs curves for f theta lens correction higher order spatial derivatives are analytic and continuous for the smoothest possible corrected motion capability. The results indicate the f theta lens can increase the quality of the drilling holes and amend the projection plane. Optical design of a new folding scanning system in memsbased. Lasertec was estabilished on 2004,based in china, is a recognized leader in laser components and highperformance optical solutions. The enabling key component, f theta lenses, is designed as micrometer focusing scanning lens. The lens is close to the diffraction limit and has small distortion, which meets the requirements of use. Airspaced 3 or 4element designs transmission of 90% f theta condition accuracy of better than 0. In material processing applications, it may be necessary to vary the spot size on the target to find the optimum size to maximize productivity. Our laser scanning tube lenses with a wavelength range from 400 to 700 nm or 450 to 1100 nm can be paired with our sl50cls2 450 1100 nm scan lens to create a telecentric system. We offer extremely high performance and precise polymer micro optics.
The conventional ftheta objective lenses from jenoptik offer exceptional durability and enable you to perform highprecision laser material processing. The designed ftheta lens is compact with the simple structure and large working area. Airspaced 3 or 4element designs transmission of 90% ftheta condition accuracy of better than 0. Complete your design quickly and efficiently with over 6,000 unique prescriptions. For online inspection systems we successfully introduced true color corrected. Silverline ftheta objective lenses are highquality optics for use in laser material processing. Jan 20, 2006 the paper provides the new type construction of laser confocal microarray scanning and fluorescent detection system. F theta lenses are commonly used in laser scanning systems that require a flat image plane and high resolution. The el1042of is placed in the optical path before the scan head. Employing the optical design software zemax 17, according to the preset parameters mentioned above, we designed the whole memsbased folding scanning optical system, in which the f theta telecentric lens group and wideangle lens group are the two key components. This enables jenoptik to deliver a compact, customerspecific system design with consistently high quality from prototypes through to series production. Ftheta lenses are the standard lenses for galvoscannerbased laser marking, engraving, and cutting systems. Beginning with the initial structure, the final optimized f theta is achieved with zemax optical design software.
Standard fused silica f theta lenses are suitable for all highpowerlaser applications like welding, cleaning and structuring. This article will introduce you to the concepts and tools. Employing the optical design software zemax, according to the preset parameters mentioned above, we designed the whole memsbased folding scanning optical system, in which the f theta telecentric lens group and wideangle lens group are the two key components. Other readers will always be interested in your opinion of the books youve read. Optimization ii 20121218 herbert gross winter term 2012. Individual datasheets are available for each lens via download from. Simulation and measurement of thermooptical effects in an. We work to your specific requirements and, thanks to short production times and close cooperation, we can contribute to your success as early as the development phase. As of the 26 october 2010 release of zemax, the wavl command in. Lens properties, imaging, magnification, paraxial approximation and modelling 4 02. We also demonstrate the benefits of our f theta lens optimization technique, which uses a.
Thermal lens, which occurs at high power laser applications and leads to afocal shift, is also minimized. It provides full glass highperformance lens, and different lenses meet the functions of a3, a4, barcode scanning. Is anyone familiar with this type of ftheta lens and could you please give me some detail information about it. F theta lenses are the standard lenses for galvoscannerbased laser marking, engraving, and cutting systems.
For opening you have to save the file in the folder zemax black box so that the program has access to the data. The scanner exploits the functional advantages and the optical system has small spot size, great linearity and large depth of focus. The conventional f theta objective lenses from jenoptik offer exceptional durability and enable you to perform highprecision laser material processing. The following policies govern technical support for and availability of. In an f theta lens, the output beam displacement is equal to f. Opticstudio and opticsbuilder are the tools of choice for scientists and engineers designing imaging optics, such as telescopes, cameras, and sensors for the mars rover, and twophoton microscopes for neurological imaging.
Co2 ftheta lens are widely used in laser marking, engraving, drilling machines, etc. Easily integrate stock optics into your design or application using our zemax lens catalog. Employing the optical design software zemax, according to the preset parameters mentioned above, we designed the whole memsbased folding scanning optical system, in which the ftheta telecentric lens group and wideangle lens group are the two key components. We also demonstrate the benefits of our ftheta lens optimization technique, which uses a. Click on the red document icon next to the item numbers below to access the zemax file download. Scanning lenses ftheta optical components scanning lenses product information cascade laser corp. Optomechanics, optics, optoelectronics, laser diodes, fiber optics and ase test sources as well as fiber optic. These infinitycorrected tube lenses are designed for use with infinitycorrected objectives from all major manufacturers, including the dry, oil immersion, and physiology microscope objectives sold by thorlabs. Thorlabs complete zemax catalog your source for fiber. Method of analyzing the singlet ftheta scan lens for laser. The aperture type is specified via the general dialog box. Look above, beneath the words zemax optical studio model for spherical grin lens at the line which says commits, branch, releases, contributor.
Zemax opticstudio free download has a number of tools on the interface for the users. In the usa, we are represented by jenoptik optical systems, inc. F theta, telecentric f theta lens, ftheta objective lens. Worldwide presence delivering highprecision polymer microoptics. Use a zoom beam expander for evaluating an ftheta lens.
How to propagate a tilted gaussian beam through a telecentric fthetalens. The ftheta silverline lens 170355140 in the wavelengthrange of 355 nm. The designed f theta lens is compact with the simple structure and large working area. Simulation and measurement of thermooptical effects in an f. Design of large working area ftheta lens college of optical. Now i want to use a concave mirror to form an image of an point object with a realsize, for example 10nm et al. We offer the ftheta objective lenses as a standard selection or can adapt them to meet your exact requirements. Telecentric f theta scanner lenses telecentric scanning lenses are a special configuration in which the arrangement of optics are designed to focus the beam such that it is always perpendicular to the flat field. Any optical system to be simulated in zemax requires user input for the aperture. This paper proposes a method utilizing the zemax to analyze the commercial f theta lens. Scanning lenses f theta optical components scanning lenses product information cascade laser corp. These files show the performance of a lens without disclosing its design. A general case is shown for the ftheta lens requirements for carbondioxide lasers.
The diffractionlimited, multipleelement, airspaced lens design is optimized for a flat field in the image plane and low f theta distortion. Is anyone familiar with this type of f theta lens and could you please give me some detail information about it. Zemax delivers design software, training, and support services that set the highest standards for the optical and illumination industries. We offer ftheta lenses with diameter 90 mm and 104 mm and with working distances from 115 mm to 700 mm. The f theta silverline lens 170355140 in the wavelengthrange of 355 nm. By the optical design software zemax, the corresponding primary spherical aberration, coma, astigmatism, distortion, and field curvature coefficients can be. Zemax opticstudio torrent 100% working latest version. With a variety of dimensions, geometries and coatings available, they match your specific applications perfectly. These infinitycorrected tube lenses feature a telecentric design appropriate for both laser scanning and widefield imaging applications. Tips to install your software, activate your license, and start using your zemax tools.
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