Diode-pumped Ho:Tm:LuLiF/sub 4/ laser at room temperature

Jani, Mahendra G.; Barnes, Norman P.; Murray, Keith E.; Hart, David W.; Quarles, Gregory J.; Castillo, V.

doi:10.1109/3.554905

Cited by 45 publications

(17 citation statements)

References 13 publications

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“…Tm:Ho doped LuAG and LuLF were developed at NASA Langley Research Center as potential 2 mm laser materials [7,8] using a quantum mechanical model. Lasing at 2:1 mm in Tm:Ho:LuAG and 2:06 mm in Tm:Ho:LuLF were also demonstrated [5,6] at NASA Langley Research Center, and as previously stated, showed improved performance over Tm:Ho doped YAG and YLF, respectively. The reason for this is that the lower laser level is in the ground manifold, making its exact position critical to the laser threshold.…”

Section: Introductionsupporting

confidence: 56%

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Energy levels and intensity parameters of ions in Y3Al5O12 and Lu3Al5O12

Walsh

Grew

Barnes

2006

Journal of Physics and Chemistry of Solids

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Section: Introductionsupporting

confidence: 56%

“…However, higher 2 mm laser efficiency has been observed in Tm:Ho doped Lu 3 Al 5 O 12 (LuAG) [5] and LuLiF 4 (LuLF) [6]. Tm:Ho doped LuAG and LuLF were developed at NASA Langley Research Center as potential 2 mm laser materials [7,8] using a quantum mechanical model.…”

Section: Introductionmentioning

confidence: 99%

Energy levels and intensity parameters of ions in Y3Al5O12 and Lu3Al5O12

Walsh

Grew

Barnes

2006

Journal of Physics and Chemistry of Solids

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“…Performance of these laser materials under nearly identical experimen- tal conditions [44] agreed with model predictions, shown in Fig. 8.…”

Section: Quantum Mechanicssupporting

confidence: 73%

NASA lasers probe planets

Barnes

2010

Laser & Photonics Reviews

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NASA is engaged in monitoring the health of planet Earth and exploring the other planets. For the former, global measurements of critical Earth parameters including ice sheet thickness, greenhouse gases, oxygen, wind velocity, and aerosols, are required. Highly specialized lasers, sometimes at new laser wavelengths, are needed to measure these variables. There are three approaches for this laser development being pursued by NASA. First, rather than seeking new lasers employing an empirical approach, a quantum mechanical model is used to predict better new lasers. Second, where lasers exist but the wavelength is not quite right, a technique referred to as compositional tuning was developed. Third, innovative laser designs are devised to produce laser sources at the requisite wavelengths.Reminiscent of a stop light, the STOP laser produces the red, orange, and green from a single laser oscillator.

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“…Table 1), which is beneficial to up-conversion lasers. Rare-earth-doped LiLuF 4 exhibits a larger splitting of the manifolds by the crystal field as compared to LiYF 4 and LiGdF 4 , which tends to produce more favorable thermal occupation factors of both the upper and lower laser levels [12,13]. Another advantage of LiLuF 4 is the congruent melting behavior.…”

Section: Er 3þ :Lilufmentioning

confidence: 95%