Active Member
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[China]
Address: JiuZuo Garden.No. 202.South 2rd Ring ,LianHu District, Xi'an city,Shaanxi province,China 710077
Contact name:Nica Chow
XINLAND LASER CO.,LTD |
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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 | |
 Parallel 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 |
| ① | Laser diode chip | AlGaInP/GaAlAs | - |
| ② | Stem | Fe | Au plated |
| ③ | Cap | 45 Alloy | Ni+Pd plated |
| ④ | Window glass | Borosilicate glass | Typ. n=1.516 (λp = 830nm ) |
| ⑤ | 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 |
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