To provide the best results, Shanghai Optics hand-polish the parabolic mirrors from large aluminum blanks with an accuracy of 1/20 lambda RMS. The regular mirrors range in diameter from 2.5 to 10 inches, with curvatures of 15, 30, 45, and 60 degrees off-axis.

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Sensor Products offers a variety of products that are available for short and long term lease. A lease will enable you to gain access to the benefits of our products without the commitment to buy. Furthermore, after your analysis you can also send the session data back to us for a more in-depth review and critique.

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a. Polarization dependence of light reflected or transmitted at an interface ... When light is incident on an interface between two different media with different ...

However, since these mirrors focus light to offset points outside the collection region, there is no problem with receiver shadowing. This makes off-axis parabolic reflectors the optimal optic for long-range and precision instrumentation. The mirrors’ free access to the system’s focus point allows for more compact system designs.

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Tactilus® allows the user to capture and record pressure conditions occurring between any two contacting or impacting surfaces in real time.... read more

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Parabolic mirrors are good at collimating light and focusing it to a specific point, even though the receiver frequently casts a shadow on the paraboloid’s vertex. This prevents a considerable portion of the mirror from reflecting light, resulting in severe signal loss.

Effective focal length: This represents the practical focal length of the off-axis parabolic mirror, taking into account both the offset angle and any deviation from the ideal configuration.

The optical engineers can assist users in designing and manufacturing a mirror that best suits their application and are ready to provide off-axis parabolic mirror consulting.

Optical coherence tomography (OCT) is a non-invasive imaging test, a lot like a photograph, which is widely used in the field of ophthalmology. It is used for ...

A nano-polymer based tactile surface sensor. With more accuracy, less drift & better repeatability... read more

Mold-Align is a unique, affordable and easy to use tool that reveals pressure distribution between mold platens. Mold-Align paper, which changes color relative to the amount of contact force. It is an extremely economical and practical solution for determining proper mold alignment... read more

Each mirror features a flat back with three threaded mounting holes for sturdy installation. Typically, an adapter plate is installed between the OAP’s rear surface and a kinematic mirror mount. Off-axis mirrors are not rotationally symmetric, hence rotation around the optical axis must be limited. Precision machined mounts are suggested for accurate alignment of the six degrees of freedom.

The Tactilus® Bicycle Seat Sensor System evaluates the pressure on the bicycle seat during the pedal cycle... read more

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Thermoscale® is a unique tool that indicates temperature level and distribution between any two contacting surfaces. The most unique quality of Thermoscale® is that is goes where no other IR camera or temperature gauge can ever go - on the surface of the heated object and in between two contacting surfaces!

OAP mirrors reduce chromatic aberration by focusing all wavelengths at a single point, improving image clarity and precision.

Need to obtain statistical data and enhanced digital visuals of your Fuji Prescale films? Let our technicians analyze your pressure exposed impressions with the all new Topaq Pressure Analysis System.

Shanghai Optics produces off-axis parabolic metal mirrors with curvatures of 15°, 30°, 45°, and 60°. The standard mirrors are made from premium aluminum and range in diameter from 2.5 to 10 inches. Shanghai Optics hand-polishes the mirrors to an accuracy of 1/20 lambda RMS.

A nano-polymer based tactile surface sensor. With more accuracy, less drift & better repeatability... read more

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Fuji Prescale film is a unique, affordable and easy to use tool that reveals the distribution and magnitude of pressure between any two contacting, mating or impacting surfaces. With the use of TemprX thermal protection polyimide film it can be used in applications that reach high temperatures... read more

While employing OAPs, keep in mind that orientation is vital. When a collimated beam is incident on the off-axis mirror from an off-axis focal angle, it does not generate a diffraction limited image. If a spherical wave enters on axis, it will not form a collimated beam.

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Our new Encasement Service for Pressure Indicating Film offers engineers in the flexo, converting and packaging industries the ability to have Fujifilm Prescale protected so that it can measure contact pressure.

Thermex® is a unique temperature indicating material. As thin as a standard sheet of paper, Thermex changes color to reveal relative temperature distribution between any two contacting surfaces. Upon exposure to temperature, the Thermex® sheet instantaneously and permanently changes color, with the intensity of that color directly related to the temperature it was exposed to. This allows Thermex to reveal spot high or low temperature zones. Thermex® is inexpensive, precise and disposable... read more

A nano-polymer based tactile surface sensor. With more accuracy, less drift & better repeatability... read more

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Users can locate an OAP mirror that precisely matches the project specifications; the company can also supply off-axis parabolic mirrors in custom sizes and coatings upon request.

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Each of the OAP mirrors’ flat backs has three threaded mounting holes. An adapter plate is typically put between the OAP rear surface and a kinematic mirror mount.

A parabolic mirror is a reflector with the shape of a circular paraboloid. A conventional parabolic mirror, which is usually composed of a highly reflective material like aluminum, will be centered on the paraboloid's vertex. This is the point at which the curvature is highest and the axis divides the paraboloid symmetrically.

Mold-Align® paper changes color when subjected to pressure. Its primary use is between platens on mold parting lines. Mold halves are clamped together with minimal force, then the paper is removed to reveal voids, high spots, and other problems that can affect product quality.

Fujifilm Prescale is a unique, affordable and easy to use tool that reveals the distribution and magnitude of pressure between any two contacting, mating or impacting surfaces. This Tactile Pressure Indicating Sensor Film is extremely thin (4 to 8 mils) which enables it to conform to curved surfaces. Fuji Prescale Film is ideal for invasive intolerant environments and tight spaces not accessible to conventional electronic transducers.

Sensor Products now introduces our new in-house surface stress analysis service. All you need to do is send your part, machine, fixture or assembly to us and we’ll do the rest. Via video-conferencing you can view the results of our analysis practically in real-time.

Off-axis parabolic mirrors are designed to solve this problem. These mirrors are sections of a parent paraboloid obtained from a position other than the central axis. An off-axis parabolic mirror can have a high or small angle, depending on how far it is off the axis.

Easily calculate focal length, field of view, working distance, and pixel blur.

Used in conjunction with Fujifilm Prescale pressure indicating films, Topaq provides a quick, yet thorough analysis of the pressure distribution and magnitude between any two surfaces that come into contact... read more

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A nano-polymer based tactile surface sensor. With more accuracy, less drift & better repeatability... read more

Off-axis parabolic mirrors should only be utilized with infinite conjugates. They can generate a completely collimated beam from a spherical wave or perform diffraction-limited imaging when focusing a collimated beam, but when utilized at finite conjugates, the image quality is poor.

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They also provide off-axis parabolic mirrors in custom sizes and coatings upon request, allowing users to choose an OAP mirror that meets the particular project’s needs.

OAP metal mirrors are utilized in spectrometers, interferometers, astronomical optical instruments, spectrum analyzers, as well as beam expanders and collimators. They can be used in series to form a relay system since several mirrors allow users to transition between the focal plane and pupil plane of the system without sacrificing image quality.

Positioning a point source or spherical wave at the focal point of an OAP mirror allows it to capture collimated light. Similarly, it can focus collimated light on a single location by directing it along the optical axis.

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Off-set angle: This represents the angle between the optical axis and the direction of incoming or outgoing light in the off-axis parabolic mirror

Off-axis mirrors are not rotationally symmetric; therefore, rotation must be controlled around the optical axis. A precision machined mount is recommended since the alignment of the other six degrees of freedom is quite sensitive.

Sensor Products has a highly dedicated team of talented engineers with 25 years of combined experience in the niche discipline of tactile surface sensing. Your project will be supervised by a product manager who will be your direct contact, and worked upon by our staff consists of material, mechanical, and PHD level electrical engineers.

Manufacturers have numerous options for producing off-axis parabolic mirrors. One way is to use a rotating furnace to produce mirrors from a molten base material. A simpler approach is to cut and shape off-axis paraboloids from metal blanks. Shanghai Optics uses the latter technology to make high-quality standard and custom OAP mirrors quickly.

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Pressurex-mirco is a unique, affordable and easy to use tool that reveals relative pressure distribution between two contacting, mating or impacting surfaces. This pressure indicating sensor film is thin (20 mils) which enables it to conform to curved surfaces. It is ideal for invasive intolerant environments and tight spaces not accessible to conventional electronic transducers... read more

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The mirrors can be coated with a protective aluminum layer to increase durability and reflectivity over a range of wavelengths. The mirrors can be applied with a variety of reflective coatings that are suited to specific spectral regions and application requirements.

Need to obtain statistical data and enhanced digital visuals of your Fujifilm Prescale? Let our technicians analyze your pressure exposed impressions with the all new Topaq Pressure Analysis System... read more

The Tactilus® nip measurement tool captures nip pressure and parallelism information from between any two mating rolls... read more

The OAP mirrors are diamond turned, which provides great accuracy and surface quality in demanding optical applications.

An off-axis parabolic mirror is an optical device that converts plane waves to spherical waves and vice versa. This makes it handy for both collimating light from a point source and focusing collimated light on a specific spot. It does so with remarkable precision and is independent of wavelength. Shanghai Optics’ high-quality off-axis parabolic mirrors can be utilized for broadband UV, visible, and IR applications.