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Rangefinder Confocal Microscope 850nm Laser Diode

XINLAND LASER CO.,LTD

Rangefinder Confocal Microscope 850nm Laser Diode

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Brand Name : XINLAND

Model Number : XL-LD8505

Certification : CE

Place of Origin : Xi'an Shaanxi China

MOQ : 100pcs

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 1000 Dozen/Dozens per Day

Delivery Time : 7 days

Packaging Details : 1pcs/polybag,10pcs/inner box,100pcs/ctn

Application : Laser rangefinder, confocal microscope

Type : Laser Diode

Package Type : Surface Mount

Max. Forward Voltage : -

Max. Reverse Voltage:- : -

Max. Forward Current : -

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XL-LD8505 Mini Laser Diode Laser Rangefinder, Confocal Microscope

● Features

- Low Operating Current

- High Efficiency

- High reliability

- High Precision Package

- Infrared Light Output : λp=850nm

- Package Type : TO-18(Ø5.6mm)

- Built-in Photo Diode for Monitoring Laser Diode

● Absolute Maximum Rating at TC=25

Items Symbol Rating Unit
Optical Output Power PO 7 mW
LD Reverse Voltage VLDR 2 V
PD Reverse Voltage VPDR 30 V
PD Forward Current IPDF 10 mA
Operation Temperature TOP -10 ~ +60
Storage Temperature Tstg -40 ~ +85

● Electrical and Optical Characteristics at TC=25

Items Symbol Min Typ. Max Unit Condition
Lasing Wavelength λp 845 850 855 nm PO=5mW
Threshold Current Ith - 10 20 mA -
Operating Current Iop - 20 30 mA PO=5mW
Slope Efficiency η - 0.7 0.9 mW/mA PO=2-5mW
Monitor Current Im 0.2 0.4 0.5 mA PO=5mW,VPDR =5V
Operating Voltage Vop - 2.2 2.5 V PO=5mW
Parallel divergence angle θ‖ 7 9 12 deg
Perpendicular divergence angle θ⊥ 25 32 40 deg
Rangefinder Confocal Microscope 850nm Laser DiodeParallel FFP deviation angle △θ‖ - - ±2 deg
Perpendicular FFP deviation angle △θ⊥ - - ±3 deg
Emission Point Accuracy △X,△Y,△Z - - ±60 µm

LT-LD8505 Laser Diode Technical Data

● Internal Ciruit & Outline Dimensions (unit:mm)

No. Component Material Finish
Laser diode chip AlGaInP/GaAlAs -
Stem Fe Au plated
Cap 45 Alloy Ni+Pd plated
Window glass Borosilicate glass Typ. n=1.516 (λp = 830nm )
Lead pins Kovar Au plated

Absolute Maximum Ratings (Tc=25℃(Note 1))

Parameter Symbol Value Unit
Optical power output (CW) (Note 2) Po 700 mW
Optical power output (Pulse) (Note 3) Pp 2,000 mW
Reverse voltage Vrl 2 V
Operating temperature (Case temperature) Top(c) -10 ~ +70
Storage temperature Tstg -40 ~ +85
Soldering temperature (Note 4) Tsld 350

(Note 1) Tc : Case temperature

(Note 2) CW : Continuous Wave Operation

(Note 3) Pulse : Pulse Operation (Pulse Width:1μs Duty:10%)

(Note 4) Soldering temperature means soldering iron tip temperature(The power 20W) while soldering.

Soldering position is 1.6mm apart from bottom edge of the case.(Immersion time: ≦3s)

Parameter Symbol Conditions Min. Typ. Max. Unit
Threshold current Ith - - 250 T.B.D. mA
Operating current Iop

Po=700mW

- 870 T.B.D. mA
Operating voltage Vop - 2 T.B.D. V
Wavelength λp 840 850 860 nm
1/e2 Intensity Angle(Parallel)(Note 2,3,4) θ∥(1/e2) T.B.D. 13.5 T.B.D. °
1/e2 Intensity Angle(Perpendicular)(Note 2,3) θ⊥(1/e2) T.B.D. 40 T.B.D. °
Misalignment angle (Parallel) (Note 3) Δθ∥(1/e2) -5 - 5 °
Misalignment angle (Perpendicular) (Note 3) Δθ⊥(1/e2) -5 - 5 °
Differential efficiency ηd 600mW I(700mW)-I(100mW) 0.7 1.0 1.3 mW/mA
Kink (Note 5) K-LI P1=140mW, P2=420mW P3=700mW -10 - 10

Rangefinder Confocal Microscope 850nm Laser Diode

Rangefinder Confocal Microscope 850nm Laser Diode


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