[PDF] Top 20 Compact efficient eye-safe intracavity optical parametric oscillator with a shared cavity configuration

... the optical spectrum mea- surement is depicted in ...of a short intensive leading peak accompanied by a long weak ...investigation. With the numerical integration, the signal peak power was ... See full document

... Nevertheless, eye-safe laser systems with pulse energies in the mJ range and peak powers greater than MW are indispensable for the many long-distance applications ...The intracavity OPOs are ... See full document

... ABSTRACT A compact eye-safe optical parametric oscillator (OPO) using a noncritically phase-matched KTP crystal intra- cavity pumped by a passively ... See full document

... mode with the output pulse energy and the threshold energy decreased to ...found with free-running operation, which were all consistent with the theoretical ...the cavity step into the ... See full document

... laser cavity and the original IOPO output coupler was em- ployed, the eye-safe pulsed radiation was ...As a result, the oscillated polarization of the present eye-safe laser is ... See full document

... the intracavity optical components, the Q switcher was operated above 10 ...the intracavity OPO for several pulse repeti- tion ...signal parametric oscillation was ap- proximately 3 ∼ 4 W and ... See full document

... Q-switched;intracavity optical parametric oscillator 1. Introduction Eye-safe nanosecond ...have a great interest for applications such as remote sensing, range finder, ... See full document

... An efficient sub-nanosecond diode-pumped pas- sively Q-switched eye-safe laser has been demonstrated by using Nd:GdVO 4 , Cr 4+ :YAG, and KTP crystals to be a gain medium, a saturable ... See full document

... on a compact efficient diode pumped passively Q- switched Nd:GdVO 4 /Cr 4+ :YAG/PPLN intracavity optical parametric oscillator (OPO) with a ... See full document

... obtained with pure passive Q-switching shown in Fig. 3(a) because the effective output coupling in the intracavity OPO was a nonlinear cavity- dumping ...in eye tissue and the ... See full document

... the eye-safe region. Intracavity OPO takes the advantage of higher circulating intensity within the laser cavity, which allows lower pump threshold and higher conversion efficiency compared ... See full document

... and a numerical aperture of ...material. A pair of plano-convex lenses was used to reimage the fiber end into the la- ser crystal with the pump radius of 240
...was a 1% b-cut Nd:YAP crystal ... See full document

... in eye tissue and the intraocular fluid prevents light in the spectral range of ...is a considerable interest in compact laser sources with wavelengths in this eye-safe ... See full document

... laser with AlGaInAs semiconductor absorber The schematic of external-cavity OPO pumped by a pas- sively Q-switched PCF laser is depicted as ...is a diode pumped passively Q-switched PCF laser ... See full document

... 3 A sin c 2 ðjΔkjL=2Þ; ð1Þ where P i is the peak power, n i is the refractive index, d eff is the nonlinear coefficient given above, Δk ¼ k 3 − ðk 1 þ k 2 Þ − 2π=Λ, Λ is the domain period, L is the crystal length, ... See full document

... is a structure of AlGaInAs QW/barrier grown on a Fe-doped InP substrate by metalorganic chemical–vapor ...get a resonant periodic gain, each group of quantum wells is designed to be located at the ... See full document

... lens with an ultra-low-magnification unstable resonator to develop a compact high-pulse-energy side-pumped passively Q-switched Nd:YLF/Cr 4+ :YAG laser with improving beam ...wedge ... See full document

... the intracavity OPOs and made a complete comparison between the shared and coupled resonators for the output ...the shared and coupled res- onators are complementary in many ...The ... See full document

... as a function of the repe- tition for different output couplers at an absorbed pump power of 12 ...that a higher output coupler reflectivity (85% ≤ R s ≤ 90%), on average, leads to higher conversion ...in ... See full document

... summary, a high-peak-power AlGaInAs laser at ...demonstrated. With the gain chip sandwiched between two coated diamond heat spreaders and then tightly contacted to a silicon wafer, a ... See full document