quantum cascade laser mid-ir laser (4 m to 10 m) compact, lightweight trace gas analysis environmental measurement, combustion gas measurement, plasma measurement, in vivo gas analysis ir molecular spectroscopy chemical sensing, molecular oscillation quantum cascade lasers are semiconductor lasers that offer peak emission in the mid-ir range (4 m to 10 m). they have gained considerable attention as a new light source for mid-ir applications such as molecular gas analysis. features applications front: qcls back: set-up examples with exclusive accessories
qcl lineup 1894 1896 1898 1900 1902 1904 1906 5.280 5.274 5.269 5.263 5.258 5.252 5.247 0.6 0.6 0.7 0.8 0.9 1.0 forward current i f (a) emission wavenumber k (cm -1 ) emission wavelength ( m) 1.1 t op(qcl) =20 c t op(qcl) =30 c t op(qcl) =40 c 0.7 0.6 2184 2186 2188 2190 2192 2194 2196 4.579 4.575 4.570 4.566 4.562 4.558 4.554 0.8 0.9 forward current i f (a) emission wavenumber k (cm -1 ) emission wavelength ( m) 1.0 1.1 1.2 t op(qcl) =20 c t op(qcl) =30 c t op(qcl) =40 c 0.5 0.6 0.7 0.8 0.9 1.0 1625 1627 1629 1631 1633 1635 1637 6.154 6.146 6.139 6.131 6.124 6.116 6.109 forward current i f (a) emission wavenumber k (cm -1 ) emission wavelength ( m) 1.1 t op(qcl) =20 c t op(qcl) =30 c t op(qcl) =40 c 0.3 0.2 1288 1290 1292 1294 1296 1298 1300 7.764 7.752 7.740 7.728 7.716 7.704 7.692 0.4 0.5 forward current i f (a) emission wavenumber k (cm -1 ) emission wavelength ( m) 0.6 0.7 0.8 t op(qcl) =10 c t op(qcl) =20 c t op(qcl) =30 c parameter symbol temperature coefficient of wavenumber current coefficient of wavenumber k t k c condition i f fixed t op(qcl) fixed typical value -0.18 cm -1 / c -0.015 cm -1 /ma parameter symbol temperature coefficient of wavenumber current coefficient of wavenumber k t k c condition i f fixed t op(qcl) fixed typical value -0.18 cm -1 / c -0.015 cm -1 /ma parameter symbol temperature coefficient of wavenumber current coefficient of wavenumber k t k c condition i f fixed t op(qcl) fixed typical value -0.14 cm -1 / c -0.016 cm -1 /ma parameter symbol temperature coefficient of wavenumber current coefficient of wavenumber k t k c condition i f fixed t op(qcl) fixed typical value -0.15 cm -1 / c -0.015 cm -1 /ma parameter symbol temperature coefficient of wavenumber current coefficient of wavenumber k t k c condition i f fixed t op(qcl) fixed typical value -0.1 cm -1 / c -0.01 cm -1 /ma 0.7 0.6 2203 2205 2207 2209 2211 2213 2215 4.539 4.535 4.531 4.527 4.523 4.519 4.515 0.8 0.9 forward current i f (a) emission wavenumber k (cm -1 ) emission wavelength ( m) 1.0 1.1 1.2 t op(qcl) =20 c t op(qcl) =30 c t op(qcl) =40 c quantum cascade lasers, using structures of spc (single phonon-continu- um) depopulation and dfb (distributed feedback), emit cw (continuous wave) mid-ir laser under room temperature. by controlling the chip's operating temperature through the peltier element in- stalled in the hhl package, it is possible to tune the emission wavelength without mode hopping while keeping longitudinal single mode operation. class 3b laser invisible laser radiation: avoid exposure to beam the laser emits invisible laser radiation. the instrument which used the laser, opera- ted under ordinary conditions, is classified as class 3b according to the laser product classi- fication code iec 60825-1. see iec 60825-1, -14 for more details and safety operation concerning the above counter- measures. invisible laser radiation maximum output pulse duration wavelength class 3b laser product iec 60825-1:2007 avoid exposure to beam class 3b laser product warning label explanatory label lgqf0707061au dfb-cw type type no. min. max. +10 c +10 c +10 c +10 c +10 c condition: t op(qcl) =20 c condition: t op(qcl) =20 c condition: t op(qcl) =20 c condition: t op(qcl) =20 c condition: t op(qcl) =20 c +50 c +50 c +50 c +50 c +50 c operating temperature (qcl) (*1) max. 0.2 cm -1 (*4) condition: k=2209 cm -1 (*5) 0.2 cm -1 (*4) condition: k=2190 cm -1 (*5) 0.2 cm -1 (*4) condition: k=1900 cm -1 (*5) 0.2 cm -1 (*4) condition: k=1631 cm -1 (*5) 0.2 cm -1 (*4) condition: k=1294 cm -1 (*5) line width (*2) min. 1.0 cm -1 1.0 cm -1 1.0 cm -1 1.0 cm -1 1.0 cm -1 ty p. 4.53 m 4.57 m 5.26 m 6.13 m 7.73 m tunable range (*3) wavelength min. 20 mw 20 mw 20 mw 20 mw 20 mw output power max. min. 25 db 25 db 25 db 25 db 25 db 1.0 a 1.0 a 1.0 a 1.0 a 1.0 a threshold current side-mode suppression ratio (smsr) l12004-2209h-c l12004-2190h-c l12005-1900h-c l12006-1631h-c l12007-1294h-c l12004-2190h-c l12004-2209h-c l12005-1900h-c l12006-1631h-c l12007-1294h-c (*1) this specifies the temperature range within which the target emission wavenumber (k) can be realized. (*2) full-wi dth half maximum (*3) this specifies the continuous tunable range (without mode hopping). the center wavenumber of the tuning range is the emis sion wavenumber (k). (*4) the figures are limited by the resolution and signal/noise ratio of the measuring instruments used. (*5) k: emiss ion wavenumber (cm -1 ) hhl package characteristics examples limited quantities of qcls with emission wavelengths close to those specified above may be available occasionally. please contact a hamamatsu sales office for information on available stock.
-20 2224 2226 2228 2230 2232 2234 2236 2238 4.496 4.492 4.488 4.484 4.480 4.476 4.472 4.468 020 operating temperature (qcl) t op(qcl) ( c) emission wavenumber k (cm -1 ) emission wavelength ( m) 40 60 parameter symbol temperature coefficient of wavenumber k t condition i fp fixed typical value -0.15 cm -1 / c -20 1894 1896 1898 1900 1902 1904 1906 1908 020 operating temperature (qcl) t op(qcl) ( c) emission wavenumber k (cm -1 ) 40 60 5.280 5.274 5.269 5.263 5.258 5.252 5.247 5.241 emission wavelength ( m) parameter symbol temperature coefficient of wavenumber k t condition i fp fixed typical value -0.13 cm -1 / c -20 1623 1625 1627 1629 1631 1633 1635 1637 020 operating temperature (qcl) t op(qcl) ( c) emission wavenumber k (cm -1 ) 40 60 6.161 6.154 6.146 6.139 6.131 6.124 6.116 6.109 emission wavelength ( m) -20 1271 1273 1275 1277 1279 1281 1283 1285 020 operating temperature (qcl) t op(qcl) ( c) emission wavenumber k (cm -1 ) 40 60 7.868 7.855 7.843 7.831 7.819 7.806 7.794 7.782 emission wavelength ( m) parameter symbol temperature coefficient of wavenumber k t condition i fp fixed typical value -0.08 cm -1 / c parameter symbol temperature coefficient of wavenumber k t condition i fp fixed typical value -0.11 cm -1 / c quantum cascade lasers, using structures of spc (single phonon-continu- um) depopulation and dfb (distributed feedback), emit pulsed mid-ir laser under room temperature. by controlling the chip's operating temperature through the peltier element in- stalled in the to-8 package, it is possible to tune the emission wavelength without mode hopping while keeping longitudinal single mode operation. class 3r laser invisible laser radiation: avoid direct exposure of eyes to beam the laser emits invisible laser radiation. the instrument which used the laser, opera- ted under ordinary conditions, is classified as class 3r according to the laser product classi- fication code iec 60825-1. see iec 60825-1 for more details and safety operation concerning the above countermea- sures. invisible laser radiation maximum output pulse duration wavelength class 3r laser product iec 60825-1:2007 avoid direct eye exposure class 3r laser product warning label explanatory label lgqf1104051bt dfb-pulsed type side-mode suppression ratio (smsr) type no. min. max. -10 c -10 c -10 c -10 c +50 c +50 c +50 c +50 c operating temperature (qcl) (*1) max. 0.2 cm -1 (*4) condition: k=2231 cm -1 (*5) 0.2 cm -1 (*4) condition: k=1901 cm -1 (*5) 0.2 cm -1 (*4) condition: k=1630 cm -1 (*5) 0.2 cm -1 (*4) condition: k=1278 cm -1 (*5) line width (*2) min. 1.0 cm -1 1.0 cm -1 1.0 cm -1 1.0 cm -1 ty p. 4.48 m 5.26 m 6.13 m 7.82 m tunable range (*3) wavelength min. 50 mw 50 mw 50 mw 50 mw pulsed output power max. min. 25 db 25 db 25 db 25 db 1.5 a 1.5 a 1.5 a 1.5 a threshold current l12014-2231t-c l12015-1901t-c L12016-1630T-C l12017-1278t-c standard driving conditions: t w =10 ns, f r =200 khz, t op(qcl) =20 c (*1) this specifies the temperature range within which the target emission wavenumber (k) can be realized. (*2) full-wi dth half maximum (*3) this specifies the continuous tunable range (without mode hopping). the center wavenumber of the tuning range is the emis sion wavenumber (k). (*4) the figures are limited by the resolution and signal/noise ratio of the measuring instruments used. (*5) k: emissi on wavenumber (cm -1 ) to-8 package l12014-2231t-c l12015-1901t-c L12016-1630T-C l12017-1278t-c characteristics examples
qcl lineup dfb-cw type dfb-pulsed type direction of laser beam (*1) tolerance is +/- 0.2 mm unless specified. (*2) edge of qcl chip and outside of the package 31.8 44.5 38.6 31.8 1 12.9 0.3 19 14.8 9- 1 0.05 2.54 (22.86) 26.4 2.7 3.4 2.9 17.8 4- 4 b a emitter position a=b=16.0 0.3 1.9 0.4 (*2) 4.4 laser chip window direction of laser beam q ertyuio!0 q e r t y pin no. (*3) tec cathode (-) n.c. qcl anode (+) thermistor (t op(qcl) ) thermistor (t op(qcl) ) function u i o !0 pin no. (*3) qcl cathode (-) thermistor (t op(c) ) thermistor (t op(c) ) tec anode (+) function (*3) e is electrically connected to the package. the other pins are electrically iso- lated from the package. hhl package dimensional outline (unit: mm) * all the pins are electrically isolated from the package. q w e r t y pin no. tec cathode (-) n.c. n.c. tec anode (+) qcl anode (+) qcl anode (+) function u i o !0 !1 !2 pin no. qcl anode (+) qcl anode (+) thermistor (t op(qcl) ) thermistor (t op(qcl) ) n.c. n.c. function !3 !4 !5 !6 pin no. qcl cathode (-) qcl cathode (-) qcl cathode (-) qcl cathode (-) function 1.9 5.7 9.5 1.9 5.7 9.5 15.3 10 0.2 14 +0 - 0.15 0.3 max. 2.2 0.4 (0.4) 9.2 1.0 12.4 0.3 ( 0.45) direction of laser beam window material emitter 0.8 45 0.8 emitter q !6 bottom view to-8 package dimensional outline (unit: mm) connection example dfb-cw qcl 1 dfb-cw qcl (l12004, l12005, l12006, l12007 series) 2 peltier tec driver c11330-01 3 forced air cooling hhl mount a11709-01 or water cooling hhl mount a11709-02 4 aspheric znse lens a11331-0x and/or lens unit a11331-0xh (select a suitable aspheric znse lens in accordance with the qcl's emission wavelength.) 5 cable a11134-04 6 laser power supply dfb-pulsed qcl 1 dfb-pulsed qcl (l12014, l12015, l12016, l12017 series) 2 peltier tec driver c11330-02 3 pulsed qcl driver module c11635 4 aspheric znse lens a11331-0x and/or lens unit a11331-0xh (select a suitable aspheric znse lens in accordance with the qcl's emission wavelength.) 5 cable a11134-04
peripheral instruments and accessories setup example hv input (dc) 0 v to +36 v c11635 to-8 qcl (*1) oscilloscope 50 ? terminal v (ic) input (dc) +12 v (typ.) tec controller for to-8 external input (*1) to-8 package qcl is sold and supplied separately from the pulse driver. (*1) dc fan speed 7600 min -1 at ambient temperature 25 c (*2) necessary flow rate and water temperature: 2000 cc/min. at 20 c parameter cooling method maximum heat discharge power thermal resistance applicable package operating temperature size (w h d) weight a11709-01 forced air cooling approx. 30 (*1) approx. 0.5 (*1) 68 82 117 0.5 hhl 0 to +40 a11709-02 water cooling approx. 50 (*2) approx. 0.3 (*2) 60 103 50 0.52 unit w c/w c mm kg a11709-01 forced air cooling * mounts shown in photos have hhl package qcl. a11709-02 water cooling two types of cooling (water, forced air) are available. easy to mount easily set on optical tables can be mounted to the lens unit a11331-0xh parameter output current dimensions (w h d) weight output current range pulse width (typ.) rise / fall time (typ.) repetition frequency duty ratio symbol i (pulse) p w t r dr value 0 to 3 10 5 approx. 150 khz to approx. 1 mhz <5 90 68 43 0.3 unit a ns ns % mm kg * driver shown in photo has a to-8 package qcl. can be connected to to-8 package qcl pulse width: 10 ns (typ.) repetition frequency: <1 mhz low noise, high stability designed to be built into an instrument * can be mounted to aspheric lens unit a11331-0xh. * repetition frequency up to 2 mhz * pulse width down to 40 ns (repetition frequency < 500 khz) * pulse width up to 1000 ns (repetition frequency < 100 khz) * external trigger operation by removing the oscillating board * two types of dc power supplies and a tec driver are separately needed * an oscilloscope is separately needed for observation of current output shape. * bias source or ttl gate source should be separately prepared at the needs of usage. parameter applicable package tec output (*1) temperature sensor (*2) temperature control host interface main body size (w h d) weight tec control current compliance voltage thermistor rtd sensor temperature control range (thermistor/rtd) setup resolution temperature stability control frequency control algorithm 24 ntc, 2 lines 3-line platinum temperature measurement resistance (pt100) -50 to +125 / -50 to +150 0.01 0.01 (typ.) 0.1 to 100 digital pid loop (*3) rs-232c, rs-422 100 110 33 0.3 c11330-02 to-8 -1.9 to +1.9 c11330-01 hhl -8 to +8 unit a v c c c s mm kg high accuracy, high stability temperature stability: 0.01 c tec heatsink monitoring function bipolar output, digital pid control peltier tec (thermoelectric cooler) driver is used to con- trol qcl temperature with high accuracy and high stability. designed to be built into an instrument. pulsed qcl driver for to-8 packaged pulsed qcl. it outputs low noise pulsed current, and to-8 packaged pulsed qcl can be mounted directly. an aspheric znse lens unit a11331-0xh can be mounted. cooling unit for hhl packaged qcl. two types of cooling, forced air and water, are available. an aspheric znse lens unit a11331-0xh can be mounted. (*1) actual output depends on characteristics of the connected load (tel module), input power supply voltage, and current. (*2) thermistor and pt100 cannot be used simultaneously; select one of them. (*3) auto-tuning function can be set by the host interface. * this can be controlled from a pc through rs-232c or rs-422. * a power supply (dc 24v), power cable, output cable, communication cable, terminal for control are separately needed. * when controlling through a pc which does not have any ports or terminal emulators for serial com- munication, use an usb serial converter of hpk's recommendation (windows7 or later). hhl mount a11709 series to-8 pulse driver c11635 tec driver c11330 series features features features
peripheral instruments and accessories 54321 9876 5 4 3 2 1 10 9 8 7 6 15 14 13 12 11 1 1 5 6 10 11 15 5 69 inch screw #4-40 milli screw m2.6 wire for interlock circuit 2 m d-sub 9 pin female high density d-sub 15 pin male d-sub 9 pin female high density d-sub 15 pin male pc side c11330 side d-sub 9 pin layout high density d-sub 15 pin layout interlock frame ground pin no. signal 1 2 3 4 5 6 7 8 interlock alarm rs-422 rx+ rs-422 tx+ rs-232c rx gnd gnd gnd pin no. signal 9 10 11 12 13 14 15 gnd frame ground start stable rs-422 rx- rs-422 tx- rs-232c tx pin no. signal 1 2 3 4 5 6 7 8 9 dcd rxd txd dtr gnd dsr rts cts ri thermal viewing card alignment target no. a b name terminal hhl connector 9 pin socket tec drive cable cut-off 4ps (8 wires) c qcl drive cable cut-off 2ps (4 wires) terminals b and c are to be modified in ac- cordance with the type of tec and power supply. a b c white black sp1 braided outer shield braided outer shield !0 q red black sp2 !0 q green black sp3 t y yellow black sp4 i o white black sp5 r u red black sp6 r u q e r t y u i o !0 50 10 2 30 50 75 100 laser beam crossing wire ( 0.3) post 12(g6) hhl socket cable a11134-01 signal cable for c11330 a11134-04 (*1) average power density thermal material provides visibility of the ir laser beam. facilitates tracing of the invisible laser beam. two cards with different sensitivity ranges are provided. heatseeker a10767 consists of 2 types of thermal viewing card and an alignment target. it can be used for visualization and alignment of the qcl laser beam. the light axis of the invisible ir laser beam can be easily aligned. includes a cross target for checking the light axis. thermal viewing card can be inserted. parameter detectable temperature range usable wavelength range power required for visibility (*1) damage threshold (max. power density) maximum aperture storage temperature dimensions (w h d) thermal viewing card #01 thermal viewing card #02 unit c c m mw/mm 2 mw/mm 2 mm c mm description / value 18 to 32 30 to 35 1.0 to 20 >3 20 30 -5 to +60 (no condensation) 50 100 12 cables heatseeker a10767 dimensional outline (unit: mm) dimensional outline (unit: mm) pin layout
aspheric znse lens for qcl. it can be installed into an aspheric znse lens unit a11331-0xh, and can be mounted onto hhl mount a 11709 series and pulsed qcl driver c11635. a11331-01 a11331-02 aspheric znse lens a11331-0x parameter symbol primary design wavelength numerical aperture (na) effective diameter actual focal distance working distance periphery center thickness edge thickness material refractive index ar coating weight na ca efl wd od ct et n unit m mm mm mm mm mm mm g a11331-01 8 6.4 0.2 2.417 at 8 m bbar, t (ave)>97 % (*1) a11331-02 5 6.3 0.2 2.429 at 5 m bbar, t (ave)>96 % (*2) 0.78 10 4.8 3.0 14.9 to 15.0 3 znse 5 (*1) t (ave): average transmittance at wavelength 8 m to 12 m (*2) t (ave): average transmittance at wavelength 4 m to 8 m aspheric znse lens unit a11331-0xh x in the suffix of the part number indicates the type of embedded lens. a11331-0xh can be mounted on hhl mount a11709 series and pulsed qcl driver c11635. parameter lens mounting unit xyz translator applicable lens x/y movable range value a11331-01 or a11331-02 1 mm mounted on a11709-02 mounted on a11709-01 mounted on c11635 dimensional outline (unit: mm) lens / lens unit features usage example et ca ct wd od 4 50 60 70 80 90 100 6810 wavelength ( m) bbar / 8 m to 12 m transmittance (%) 12 14 2 50 60 70 80 90 100 468 wavelength ( m) bbar / 4 m to 8 m transmittance (%) 10 12 laser 20.35 7 15 1.035"?0 18 ca wd o-ring 2- 1.3 20 14.5 0.9 30 39.6 30 30 16 4- 6.01 42.9 1.035"?0 locking set screws 2-m2.6 * when using the lens by itself, a lens holder is required.
cat. no. lqcl2001e04 sept. 2013 ip (1000) hamamatsu photonics k.k. hamamatsu photonics k.k., laser group, sales dept. 1-8-3, shinmiyakoda, kita-ku, hamamatsu city, shizuoka, 431-2103, japan, telephone: (81)53-484-1301, fax: (81)53-484-1302, e-m ail: laser-g@lsr.hpk.co.jp www.hamamatsu.com 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, fa x: (1)908-231-1218 e-mail: usa@hamamatsu.com germany: hamamatsu photonics deutschland gmbh: arzbergerstr. 10, d-82211 herrsching am ammersee, germany, telephone: (49)8152-375-0, f ax: (49)8152-2658 e-mail: info@hamamatsu.de france: hamamatsu photonics france s.a.r.l.: 19, rue du saule trapu, parc du moulin de massy, 91882 massy cedex, france, telephone: (3 3)1 69 53 71 00, fax: (33)1 69 53 71 10 e-mail: infos@hamamatsu.fr united kingdom: hamamatsu photonics uk limited: 2 howard court, 10 tewin road welwyn garden city hertfordshire al7 1bw, united kingdom, teleph one: 44-(0)1707-294888, fax: 44(0)1707-325777 e-mail: info@hamamatsu.co.uk north europe: hamamatsu photonics norden ab: torshamnsgatan 35 se-164 40 kista, sweden, telephone: (46)8-509-031-00, fax: (46)8-509-031-01 e-mail: info@hamamatsu.se italy: hamamatsu photonics italia: s.r.l.: strada della moia, 1/e, 20020 arese, (milano), italy, telephone: (39)02-935 81 733, fax: (39)02-935 81 741 e-mail: info@hamamatsu.it china: hamamatsu photonics (china) co., ltd.: 1201 tower b, jiaming center, 27 dongsanhuan road north, chaoyang district, beijing 100 020, china, telephone: (86)10-6586-6006, fax: (86)10-6586-2866 e-mail: hpc@hamamatsu.com.cn for safe and effective use of a qcl, carefully read the documents that came with the purchased goods. also, read carefully to the end of manuals and instructions, and observe the local law regulations about using lasers. this catalog is not a guarantee of product perfection. when the products are used in an instrument which may cause bodily harm or damage properties, it is dangerous to operate the instrument unless proper safety measures are taken against possi- ble product defects. warning ! absolute maximum ratings absolute maximum ratings listed in the specification sheet and/or test sheet are limiting values that must not be exceeded even momentarily. using this product under conditions where any one of the maximum ratings is exceeded may cause seri- ous and irreparable damage to the products. values in absolute maximum ratings for forward current and forward voltage differ in each product, so always check the val- ues listed in the test sheet that comes with each product and make sure that these values are not exceeded. laser driver power supply current surges and current fluctuations may impair performance of the laser device. do not apply reverse current and re- verse voltage to the qcl. heat dissipation this product uses a peltier element to control temperature of the laser device, so the joule heat generated in this product must be dissipated. if operated with poor heat dissipation, the device temperature may soon exceed the absolute maximum rating for the operating case temperature listed in specification sheet. make sure that a proper heatsink is installed on the product. poor heat dissipation may lead to excessive heating during operation and cause device deterioration or open-cir- cuit faults even if the peltier current is within the maximum rating. heat dissipation on the laser side may not be sufficient when supplying electrical current to the peltier element in heating mode, and cause failures or affect reliability. carefully check these points before actual operation. caution ! read carefully before using qcl read carefully before using qcl
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