Concave parabolic mirrors are frequently used to accurately collimate point sources of visible and IR radiation. However, precise alignment is required lớn obtain optimal performance, & lengthy set-up times may be encountered, especially if the mirror is frequently moved.
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girbakalim.net"s TOAN Series Off-Axis Newtonian Collimators incorporates one of our precision, zero thermal-expansion, off-axis parabolic mirrors, interferometrically aligned in a rugged và compact housing. Twenty-one models are offered, providing unobstructed apertures from 4 to lớn 14 inches, a variety of f/numbers, và two wavefront accuracy specifications. Below is a listing of our catalog models. Click Custom Collimator Worksheet for information on specifying a custom collimator.
+-Catalog Collimator ModelsClick to collapse
|Catalog TOAN - Telescope Off Axis Newtonian Collimators|
|Model||f Number||Aperture (in)|
|4.5 - 4||4.5||4|
|6 - 4||6.0||4|
|5 - 5||5.0||5|
|6 - 5||6.0||5|
|3 - 6||3.0||6|
|4 - 6||4.0||6|
|5 - 6||5.0||6|
|6.7 - 6||6.7||6|
|5 - 8||5.0||8|
|7.5 - 8||7.5||8|
|6 - 10||6.0||10|
|5 - 12||5.0||12|
|8.3 - 12||8.5||12|
|5 - 14||5.0||14|
Request a Quote for a Collimator
Ordering Information Example:
Order Number: TOAN 4.5-4
TOAN = Newtonian Off Axis Collimator4.5=f number4=Aperture (inches)
Strict attention has been paid to lớn mechanical configuration and stability of the TOAN Series. Combined with girbakalim.net"s dedication to quality in optical fabrication & superior kiểm tra capabilities, the result is reliability và performance unparalleled by similar units commercially available today. The optical path is baffled, minimizing extraneous radiation which can limit signal-to-noise performance.For applications in the visible và near-infrared, higher quality systems can provide a lambda/4 wavefront, as tested at 632.8 nm. Enhanced aluminum coatings to lớn improve visible transmission & complete interferometric data are supplied. Accessories
BBS-0 1 Blackbody Radiation Source. Providing a 1" diameter cavity, & covering the ambient lớn 1000C temperature range, this unit features an emissivity of 0.99 và temperature stability of +/- 0.5C over a 4 khổng lồ 6 hour period. Temperature control features digital temperature readout. Power nguồn requirements: 2A at 110V. Customized Focal Plane Equipment. A variety of application requirements can be satisfied including remotely-selectable apertures, Four Bar Targets, Spatial Frequency Sweep Targets, Multi-Channel Illumination Systems, and Microprocessor Compatible Systems. CH-01 Chopper. Variable frequency focal plane modulator for above. AW - Aperture Wheel và Pinhole Aperture. A frequently desired option is our six-position focal plane aperture wheel with 0.05, 0.1, 0.25, 0.5, 1.0, và 5.0 mrad pinhole apertures. Additional interchangeable aperture wheels & targets may be purchased separately.
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Also available: Extension plate, precision aperture, slit aperture & other custom interface equipment. Call or email us for details.