TAK　SYSTEM　INITIATIVE　CORPORATION 　株式会社TAKシステムイニシアティブ　 Developing Various New Photonic Systems 　We are the company "making proto-types" and "creating new system concepts" for you, using various "photonics", such as IoT, new lasers, nonlinear optical devices, photon counting devices, LEDs, MEMs and so on, targetting new fiels including space or in radiation hazard environments. R&D Center biside our head quarter 　TAK System Initiative opened a R&D center next to the head quater. The building itself is 100 years old house. It has a traditional wood assembling. We have renovated it for new photonics businesses. (Feb. 2017)
You may call us "TAK　CORPORATION". TAK　System Initiative started "Facebook" to inform our "Photonics" technologies for other fields.( contents are written in Japanese but can be translated in the site)
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Contact through e-mail is easier! 　　info@tak-corp.com 　　　　　　　　　　　　Call：+81-53-581-2951　　　　 　　　　　　　　　or send faximili to +81-53-581-2952 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 Site renewed on April 30, 2021 Laser Diode Line Marker TAK has developed "Green Laser Diode Line Marker (GLM) " for variou application. As shown below, the green line with 2mm width can be projected onto any oblject as shown as a movie and/or indicating simple line on it. Laser Marking Application And the projected beam line is straight so that one can easily find out level of the structure observed. For lumber factory, the GLM can be used as cutting line marker. 　 TAK & B5 Optcs UG in Jena areworking together to boost collaboration in photonics. 　TAK System started a business using B5 Optics SWIR objective lens. 　　　See through Si wasfer with IR light sourse. Under the collaboration with B5 Optics in Jena , Germany, TAK System started evaluation of the optics as follows; ■ Specification sheet of the objective lens 　　　　　　　　 　　Objective lens and its theoretical transmission spectra 　　　　　　 　　B5 Optcs Data Sheet（English）　＝＞　 ■　IR imaging experiment using the B5 Optics Objective and a CMOS camera 　Using a lamp as a IR light sourse and CMOS camera attached with the Objective, laser processed line image through the Si wafer was clearly observed. 　　　　　　　　 　　　　　　Exp. setup 　　　　　　　　　　　　Si processed image　　　　　 LIBS (Laser Induced Brakedown Spectroscopy) By shining laser pulses onto materials and generate laser plasmas, one can figure out the material compositions from the plasma spectrum. This is the technique so-called LIBS. We use compact laser system to generate such plasma and analyse the materials. 　　　 Adopted a ns pulse laser, several kinds ofi irons were irradiated to find out their plasma spectrum. The spectrum above shows the laser spectrum at 1.06micron and other material related specific spectrum. Special Integration Sphere for agricultural application Working with Chiba University, TAK System Init. developed a new integration sphere detection system to be applied for agricultural optical measurment. Sample reflectyio/transmission can be evaluated using any LED lamp/photometer system. Special LED lamps Green and Blue LED lamp for Olympus Microscopes 　　　　 　　Telescopic Photon Counting System 　A c-mounted photon counting detector enables very weak optical signal measurements that a sample locates a few meter away from the system. 　Why we need such system? You might need to look at a weak fluorescent sample in a wild field where it may not be easy to access to it although you can excite it with a laser beam. 　 We may use this system to track satellites in space becasue the response of this system reaches to few tens of nanoseconds that might be good enough to operate the tracking system. Laser Polarimeter operated at 589nm 　　　　　　　 　　　　　Such as, "Polarimeter using D-line laser" 　　　 UV transmission measuremnet system 　The device contains a compact UV-A to B (290 to 400nm) emission light source and an integration sphere of 50mm in diameter with a Si photodiode(PD). 　　　　 First, setting no sample and set light intensity to be "100" on the output intensity monitor. then set a sample below the white bock of the integration sphere on the picture, and then observe the "output". If the output monitor shows "17" then the transmission within the UV-A and B is easily determined to 17% or the absorption is 83%. The sample can be thick to 10 mm or so and the sensitivity of the PD can be selected to higher sensitivity ranges. Download "UV transmittion measuring system" data. click ==> Radiation Tracker 　　　　　　 Gamma ray detection system All data shall be stored into a PC Hyper-spectral camera TAK has developed "Hyper-spectral camera" using a simple transmission grating optics. As shown on the picture below, we attached a camera lens to the hyper-spectral optics and a color CMOS USB-camera to observe real time spectral images of what ever it observed within the spectral range of 300 to 800nm. Since we used 200 micron slit to select a one dimensional image at the focal point of the input lens, the spectral resolution was about 18nm. 　　　　　 Download "hyper-spectral camera" data. click ==> The second one is a "space telescope" adopting zero thermal expansion ceramic mirror at 20 deg.C as shown in the picture below. A 200 mm dia. spherical concave mirror is the primary optics in this small telescope at this exhibition. Small mirror samples were also shown in front of the telescope. 30x30 square one, 30mm dia. and 50mm dia. flat circle mirrors were displayed.　Two circular mirrors' backs were carved to make them lighter.　 　　　　　 Click here for vibration test movie ==> Download "Space mirror" data. click ==> 　■　Borrowing an InGaAs camera from ARTRAY, IR images were obtained with the objective lens. 　　IR image of a stove IR image with wide view Nikon Lens attaced photon counting system Laser induced fluorescence detection operated at 470 nm laser pumpin 　Or "Blue Laser induced Photoluminescence Detection system"

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