1. The problem of laser diode degradation was particularly troublesome.

2. Taking an external cavity laser diode(ECLD) as an example, calculations indicate that the perturbation analysis may become invalid under loss modulation.

3. To meet the requirements of temperature controlling of laser diode for op tical fiber sensor, laser diode digital temperature control sys2 tem is designed.

4. Free running emerald laser pumped by 660 nm laser diode ( LD ) was reported.

5. After the introduction of the characteristics of semiconductor laser diode, the bias current supply of the laser driver and the automatic power control(APC)function were analyzed.

6. Laser Diode Array ( LDA ) is attractive for its high output power and compactness.

7. Diode-pumped solid-state laser is solid-state laser, used laser diode instead of flash lamp to pumping laser m...

8. To achieve higher coupling efficiency between laser diode and fiber, the hyperbolic-end lensed fiber is used. A coupling efficiency of up to 86% has been demonstrated.

9. The Laser diode optical source is designed as a lab and manufacture testing equipment.

10. Knowledge of the near-field distributions of laser diodes is of great importance for control of the process used to produce high beam quality laser diode.

11. The green-emitting laser diode offers a number of compelling advantages compared to an equivalent green-output second harmonic generation (SHG) device.

12. Laser diode emits the elliptical divergent Gauss beam depended on temperature.

13. A single mode fiber (SMF) pigtailed laser diode alignment system provides a laser reference line with fine stability for measurement.

14. The laser diode coupling unit is an important part of the intersatellite optical communication system.

15. The light is emitted by the laser diode and enters a diffraction grating.

16. A high power, narrow linewidth single frequency laser diode as one of the key elements of Integrated Optical Rotation Sensor (IORS) is studied.

17. Because of the all in one structure of laser diode optical isolator optical fiber, the usability of the module is increased greatly.

18. The blue laser diode with distributed Bragg reflectors (DBR) was successfully obtained by the PEC method.

19. Introduced a set of high stable control circuits for case temperature and injection current of semiconductor laser diode.

20. It is made clear through the theoretical analysis that the frequency shift is dependent on the modulation frequency, thermal time constant, bias current of the laser diode and so on.

21. In this paper, using the network nodal method, we analyse the circuit model of practical semiconductor laser diode(LD)module in details for the first time, and set up the common software.

22. Transmitter is the device which changes electrical pulse signal into optical pulse signal , and then transmit the optical signal in wave form by laser diode or light-emitting diode.

23. This paper reports that the frequency responses of a direct-modulated DFB laser diode can be improved using an injection locking method.

24. It is found that optimization of the structure parameters of ridge waveguide (RWG) can decrease the threshold current of RWG laser diode.

25. Peak searching algorithms are the key issue in alignment automation between a laser diode (LD) and a single-mode fiber (SMF).

26. The vibration characteristic of loudspeakers is investigated experimentally, based on the self-mixing interference effect of semiconductor laser diode.

27. A power-adjustable laser-used driving power was designed based on MIC29302 regulator, and direct intensity modulation of the Laser Diode (LD) was realized.

28. Q-switch erbium glass lasers have important application in eye-safe laser range finder. laser diode (LD) side-pumped erbium glass laser electro-optic Q-switch experiment is reported in this paper.

29. A heterodyne interference is caused by a frequency modulation of a laser diode (LD) with a ramp injection current, and a linear phase detection is realized.

30. Different models should be suitably chosen to simulate the far-field behavior in the fast and slow axes of heterostructure laser diode at different power levels.

31. Based on this analysis we have designed two type lens ducts and the coupling efficiency as high as 84% with quasi CW laser diode array was obtained for AR uncoated lens duct.

32. Overmodulation may be employed in the optical transmitter to increase the output power of laser diode.

33. In this paper, The Distributed Feed-Back Laser Diode (DFB LD) is chosen as a light-source of the sensor, the analysis, research and design for its driving-cont.

34. This ultra - stable driver is a general - purpose , analog hybrid circuit for use in laser diode driver applications.

35. A new optical system for real-time pattern recognition is presented, which mainly consists of a laser diode, an acoustooptic device with multi-transducer, a charge-coupled device and optical lenses.

36. The optimum measuring condition of the laser diode interferometer can be determined by choosing appropriate physical parameters of the laser diode.

37. As for the effect of the percentage to laser diode ignition delay time, a completely different conclusion have been obtained when processing pressure has greatly changed.

38. Aim To develop a laser diode modulated driver power for synthesis heterodyne interference.

39. Application of near infrared laser diode to gas sensing is reviewed, followed by discussion on both the device characteristics and experimental techniques.

40. Microchannel model, water-cool laser diode, ANSYS software in design of microchannel condenser.