photon drag detector b749 high-speed detector with high sensitivity in the 10 m band (for co 2 laser detection) www.hamamatsu.com 1 co 2 laser detection magnet stand a1447 room temperature operation with high-speed response features applications options (sold separately) structure absolute maximum ratings electrical and optical characteristics (ta=25 c) parameter specification unit photosensitive area 5 mm output polarity positive - parameter symbol condition value unit operating temperature topr 0 to +60 c storage temperature tstg 0 to +60 c incident light level - dc light 1 j/cm 2 pulsed light 10 mw note: exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. always be sure to use the pr oduct within the absolute maximum ratings. parameter symbol condition min. typ. max. unit photosensitivity s =10.6 m - 1.2 - mv/kw rise time tr 10 to 90% - - 1 ns noise equivalent power nep =10.6 m - 4 10 -3 - w/hz 1/2 output impedance - - 50 - the ge element mounted in the detector package is susceptible to shocks and drop impacts. handle the detector with extreme care . do not allow light higher than 10 mw/cm 2 to strike the detector element, because the element surface might be damaged. precautions the b749 is a photon drag detector that utilizes the photon drag effect in which carriers created by input photons are dragged in the direction of photons, generating an electromotive force. the b749 ensures high-speed operation even at room temperatures and has high sensitivity in the 10 m band, making it well suited to detection of co 2 lasers.
photon drag detector b749 2 dimensional outline (unit: mm, tolerance unless otherwise noted: 1) 30 1 16.0 0.5 photosensitive area 79.5 2 20 bnc connector 1/4-20unc kirda0016ed b749 1/4-20unc 100 20 49.5 160 min. 230 max. 5.5 kirda0017ea magnet stand a1447 (sold separately)
cat. no. kird1038e04 nov. 2012 dn www.hamamatsu.com hamamatsu photonics k.k., solid state division 1126-1 ichino-cho, higashi-ku, hamamatsu city, 435-8558 japan, telephone: (81) 53-434-3311, fax: (81) 53-434-5184 u.s.a.: hamamatsu corporation: 360 foothill road, p.o.box 6910, bridgewater, n.j. 08807-0910, u.s.a., telephone: (1) 908-231-0960, fax: (1) 908-231-1218 germany: hamamatsu photonics deutschland gmbh: arzbergerstr. 10, d-82211 herrsching am ammersee, germany, telephone: (49) 8152-375-0, fax: (49) 8152-265-8 france: hamamatsu photonics france s.a.r.l.: 19, rue du saule trapu, parc du moulin de massy, 91882 massy cedex, france, telephone: 33-(1) 69 53 71 00, fax: 33-(1) 69 53 71 10 united kingdom: hamamatsu photonics uk limited: 2 howard court, 10 tewin road, welwyn garden city, hertfordshire al7 1bw, united kingdom, telephone: (44) 1707-294888, fax: (44) 1707-325777 north europe: hamamatsu photonics norden ab: thorshamnsgatan 35 16440 kista, sweden, telephone: (46) 8-509-031-00, fax: (46) 8- 509-031-01 italy: hamamatsu photonics italia s.r.l.: strada della moia, 1 int. 6, 20020 arese, (milano), italy, telephone: (39) 02-935-81-733, fax: (39) 02-935-81-741 china: hamamatsu photonics (china) co., ltd.: 1201 tower b, jiaming center, no.27 dongsanhuan beilu, chaoyang district, beijing 100020, china, telephone: (86) 10-6586-6006, fax: (86) 10-6586-2866 product specifications are subject to change without prior notice due to improvements or other reasons. before assembly into fi nal products, please contact us for the delivery specification sheet to check the latest information. t ype numbers of products listed in the delivery specification sheets or supplied as samples may have a suffix "(x)" which means preliminary specifications or a suffix "(z)" which means developmental specifications. t he product warranty is valid for one year after delivery and is limited to product repair or replacement for defects discovered and reported to us within that one year period. however, even if within the warranty period we accept absolutely no liability for any loss caused by natural d isasters or improper product use. copying or reprinting the contents described in this material in whole or in part is prohibited without our prior permission. information described in this material is current as of november, 2012. photon drag detector b749 3 photon drag detector b749
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