Technical information DAL Test System
Combined technology for reliable determinations with the use of respective data measured precisely.
Measures devices at high speed and high resolution to micro areas. Will determine the PLD performance by I-L/I-V/NFP continuous measurement.
| No. | Variation | Specs & features |
DPLT |
DBLT |
DLTS |
Remarks |
|
|
|
|
||||
|
LD Package |
LD BAR |
LD Package |
||||
| 1 | I-L measurement |
IL : Iop / Vop / Ith / Vth / Pth / Pop / Eta / Rd / Kink IL sweep measurement in a short time is possible |
Provided by default | Provided by default | Provided by default |
Characteristic inspection of continually measuring the current, voltage, and optical power values at gradual application of electric currents to LD devices
|
| 2 | λ measurement |
Optical wavelength measurement Measures wavelengths of LiDAR devices |
Provided by default | Provided by default | Option | We have performance records of measurement by wavemeters and spectrum analyzers of Japanese and foreign manufactures |
| 3 | FFP measurement |
θ∥ / θ⊥ / ⊿θ∥ / ⊿θ⊥ / Rθ∥ / Rθ⊥ Far-field optical intensity distribution measurement of LiDAR devices |
Provided by default | Option | Provided by default are FFP measurement systems by our original armscan product | |
| 4 | NFP measurement |
W∥ / W(1/e) / W(1/e2) Optical intensity distribution measurement near output end by emitter layer |
Option | Provided by default | Provided by default are our original CCD measurement system products | |
| 5 | DC measurement (Ir/Vf) |
LDIr/LDVf |
Option | Option | Option | Leakage current measurement at reverse bias application Allows high-precision Vf measurement |
| 6 | Variable pulse measurement |
Pulse width variable: Micro - Millisecond Duty ratios constantly measured |
Option | Option | Option | Can observe the energy dependence according to the pulsewidth |
| 7 | Temperature regulation stage |
Constant temperature at 25 degrees Celsius (*at no load) |
Provided by default | Provided by default | Provided by default | Can be measured at the stage temperature constantly kept by Peltier control |
