MITSUBISHI

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MITSUBISHI LASER DIODESML4XX5 SERIESFOR OPTICAL INFORMATION SYSTEMSI Light output vs. monitoring output characteristicThe laser diodes emit beams from both of theirmirror surfac~s, front and rear surfaces. The rearbeam can be used for monitoring power of frontbeam since the rear beam is proportional to thefront one. Fig.7 shows an example of light outputvs. monitoring photocurrent characteristics.When the front beam output is 3mW, themonitor output becomes 0.35mA.Fig. 7 Light output VS.432/17 /vmonitoring output currentV /VI Astigmatic distanceThere seems to be Ii difference in luminous pointin the parallel and perpendicular direction with thelaser beam. This distance between the two pointsis the astigmatic focal distance. Therefore, whenthe laser beam is focused, there is a difference infocal point in the two directions, making it difficultto converge the beam spot to the diffraction limit.The typical astigmatic focal distance at NA = 0.7of ML4XX5 is shown in Fig.S.The LD position which minimizes the horizontaland vertical spot diameters is obtaained. Theastigmatic distance is the difference in moveddistances thus obtained.E-3I~~.~..8.CI)100.1 0.2 0.3 0.4 0.5Monitoring output 1m (mA)Fig. 8 Astigmatic distancePo =3mWCWI'NA=0.7,I,II, , . perpendicular~ V direction" 1"• . - ..... ' ~~~~.'I ,",I5o a\,:1 -.... ,.... ~'Astigmr~ distance 5.6 It m\ , ~ directionI I I10 20 30LD moving distance (It m)2-43
MITSUBISHI LASER DIODESMl4XX10 SERIESFOR OPTICAL COMMUNICATIONTYPE,NAMEiML40110RDESCRIPTIONML4XX10 is an AIGaAs semiconductor laser whichprovides a stable. single transverse mode oscillationwith emission wavelength of 780nm and standardlight output of 3mW.ML4XXlO uses a hermetically sealed packageincorporating the photodiode for optical outputmonitoring. This high- performance. highly reliable.and long-life semiconductor laser is suitable forsuch applications as the light sources for anoptical communications including data link.FEATURES• Built- in monitor photodiode• High reliability. long operation life• Low noiseAPPLICATIONOptical communication system (Data link)ABSOLUTE MAXIMUM RATINGSSymbol Parameter Conditions RatingsPo Light output powerCW 5Pulse (Note 1) 6VRL Reverse voltage (Laser diode) - 2VRD Reverse voltage ( Photodiode) - 15IFD Forward current ( Photodiode) - 10Tc Case Temperature - - 40-+ 60Tstg Storage temperature - - 55-+ 100Note 1: Duty less than 50 %. pulse WIdth less than 1 11 S.UnitmWVVmA-c·CELECTRICAL/OPTICAL CHARACTERISTICS (Tc = 25 ·C)Symbol Parameter Test conditionsIth Threshold current CWlop Operating current CW.Po=3mWVop Operating voltage (Laser diode) CW.Po-3mW1/ Slope efficiency CW.Po=3mW.l. P Peak wavelength CW.Po=3mW8/1 Beam divergence angle ( parallel) CW.Po=3mW81. Beam divergence angle (perpendicular) CW.Po-3mWMonitoring output current CWo Po = 3mW. VRD = 1 V.1m(Photodiode) RL= 10 Q (Note 2)ID Dark current ( Photodiode) VRD -10VCt Total capacitance ( Photodiode) VRD - OV. f - 1 MHzNote 2: RL IS load resIstance of the photodlode.LimitsMin. Typ. Max.- , 45 60- 53 70- 1.8 2.5- 0.32 -765 780 8008 11 2020 33 480.15 0.4 0.7- - 0.5- 7 -UnitmAmAVmW/mAnmdeg.deg.mAfJ.ApF2-44• MITSUBISHI..... ELECTRIC
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MITSUBISHIOPTOELECTRONICSOPTICAL SE
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OPTICAL SEMICONDUCTORS COMPONENTS G
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MITSUBISHI OPTICAL SEMICONDUCTORSCO
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MITSUBISHI OPTICAL SEMICONDUCTORSOR
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MITSUBISHI OPTICAL SEMICONDUCTORSAP
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MITSUBISHI OPTICAL SEMICON.DUCTORSI
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MITSUBISHI OPTICAL SEMICONDUCTORSIN
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MITSUBISHI OPTICAL SEMICONDUCTORSIN
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MITSUBISHI OPTICAL SEMICONDUCTORSTE
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MITSUBISHI OPTICAL SEMICONDUCTORSTE
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MITSUBISHI OPTICAL SEMICONDUCTORSME
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MITSUBISHI LASER DIODESML5XX5 SERIE
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MITUBISHI LASER DIODESML6XX1A SERIE
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MITSUBISHI LASER DIODESML6XX1A SERI
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, Mil ~U"I;'"I ~;'I:.n ..,."'.., ..
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MITSUBISHI LASER DIODESML6XX10 SERI
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MITSUBISHI LASER DIODESMl6XX11 SERI
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MITSUBISHI LASER DIODEML7XX1 SERIES
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MITSUBISHII,.ASER DIODESML7XX3 SERI
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~MITSUBISHI LASER DIODESML8XX1 SERI
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MITSUBISHI LA51:FI DIUUt:.~ML8XX1 S
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MITSUBISHI,LASER DIODESML9XX1 SERIE
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MIT$UBISHI LASER DIODESML9XX1 SERIE
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.~MITSUBISHI LASER DIODESML9XX2 SER
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HIGH RADIANCE LIGHT EMITTING DIODES
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HIGH RADIANCE LIGHT EMmlNG DIODESME
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PHOTODIODES
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MITSUBISHI SILI(;UN AVALAN\,;Mt: t"
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MITSUBISHI SILICON AVALANCHE PHOTOD
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MITSUBISHllnGaAs PHOTODIODESPD7XX5
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MITSUBISHllnGaAs PHOTODIODESPD7XX5.
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MITSUBISHI OPTICAL SEMICONDUCTORSPR
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LIST OF PRODUCTSLD Module for Singl
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LIST OF PRODUCTSDlgltal·Optlcal Tr
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PRODUCT DESIGNATION CODEPRODUCT DES
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MEASURING PROCEDURESFOR OPTOELECTRO
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OPTICAL-FIBER COMPONENTS OAT A SHEE
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FU~011 SLD-N20.781..1 m Connectorlz
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FU-16SLD-N1, FU-17SLD-N11.311 m Con
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FU-16SLD-N3, FU-17SLD-N31.31..1 m C
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FU-16SLD-N3, FU-17SLD-N31.31l m Con
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FU-411SLD1.31..l m LD Module with S
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FU-411 SLO-201 .. 3 ~ m LD Module w
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FU-611SLD1.55 iJ. m LD Module with
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FU-611SLD1.55 Il m LD Module with S
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FU-611 SLD-151.55 Il m LD Module wi
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FU-43SLD-11.3 1..1 m LD Module with
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1FU-43SLD-21,31.1 m LD Module with
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FU-43SLD-21.31.1 m LD Module with S
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FU-44SLD-11.3 1.1 m LD Module with
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FU-44SLD-71.31..l m LD Module with
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FU-44SLD-71.3 iJ m LD Module with S
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FU-45SLD1.31-1 m LD Module with Sin
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FU-64SLD-11.551..l m LD Module with
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FU-64SLD-11.55 1..1 m LD Module wit
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FU-64SLD-71.55 IJ m LD Module with
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FU-41SDF, FU-44SDF1.31..1 m DFB-LD
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FU-41 SDF, FU-44SDF1.31J m DFB-LD M
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FU-45SDF-38(CATV Application)1.3 J.
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FU-45SDF-4(Digital Application)1,31
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FU-45SDF-4(Digital"Application)1.31
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FU-48SDF-1(for 2.5Gbps Digital Appl
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FU-61 SDF ,FU-64SDF1.551-1 m DFB-LD
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FU-61 SDF,FU-64SDF1.551..1 m DFB-LD
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FU-65SDF-3(Analog ApplicatiOn)1.551
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FU-65SDF-41.55 tJ. m DFB-LD Module
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FU-65SDF~41.551..l m DFB-LD Module
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FU-68SDF-2DFB-LD Module with Single
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FU-01 LD-N (O.78),FU-27LD{O.78)O.78
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FU-01 LD-N (O.78),FU-27LD{O.78)0;78
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FU-01 LD~N{O.85), FU-27LD (O.85)0.8
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FU-23LD0.85 1.1 m LD Module with Mu
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FU-23LD0.851.1 m LD Module with Mul
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FU-11LD-N1.31J m Connectorlzed LD M
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FU-33LD1.3 iJIt1 LD Module with Mul
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FU-02LE-N,FU-23LE0.851-1 m LED Modu
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FU-02LE-N, FU-23LE0.8511 m LED Modu
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FU-13LE-N,FU-34LE1.31..1 m LED Modu
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FU-04PO-N, FU-21 POPO Module for Sh
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FU-04PO-N, FU-21 POPO Module for Sh
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0.65FU-15PD-N, FU-16PD-NPO Module f
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FU-35PDPO Module for Long Wavelengt
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FU-05AP-N, FU-25APAPD Module for Sh
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FU-05AP-N, FU-25APAPD Module for Sh
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FU-12AP-N, FU-32APAPD Module for Lo
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FU-13AP-NAPD Module for Long Wavele
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FU-310APAPO Module for Long Wavelel
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FU-310APAPD Module for Long Wavelen
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MF-12SDS-TR113-006Digital Optical T
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MF-156DS-TR124-002/003Dlgltal Optic
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M:F-156DS-TR124-002/003Digital Opti
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MF-622DF-T12-007 -011Optical Transm
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~8~~MF-622DF-T12-007-011Optical Tra
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MF-622DS-R13-002/R14-002,003Optical
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MF-20DF-TR014-002Digital Optical Tr
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MF-32DF-T01/R03Digital Optical Tran
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; FC~01PN-SMF, FC-01 PN-PC-SMF,FC-D
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FC-01 PN, FC-01 PN-PC, FC-01 PN-SPC
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MITSUBISHI OPTOELECTRONICSOPTICAL S
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MITSUBISHI

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