Diving angle optimization of BRF in a single-frequency continuous-wave wideband tunable titanium:sapphire laser

Jiao, Wei; Cao, Xuechen; Jin, Pixian; Su, Jing; Lu, Huadong; Peng, Kunchi

doi:10.1364/oe.419580

Cited by 8 publications

(3 citation statements)

References 33 publications

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“…In 2022, our group realized a single-frequency tunable Ti:sapphire laser with a tuning range of 304 nm [71]. In this process, the optimal condition of BRF design was proposed.…”

Section: Design Of Brf For Single-frequency Ti:sapphire Tunable Lasermentioning

confidence: 99%

A Review of Progress about Birefringent Filter Design and Application in Ti:sapphire Laser

Wei,

Su,

et al. 2023

Photonics

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All-solid-state tunable lasers have been widely used in many fields including multi-photon microscopy, time-resolved photoluminescence, atomic physics, and so on owing to their broadband output spectrum range, good beam quality, and low noise. To cover the broad fluorescent line of the laser crystal as much as possible, a birefringent filter (BRF) is always the most popular candidate for acting as a tuning element. In this review, the tuning characteristics of BRF and the design rule as well as its progress in practical application are summarized. Especially, it is worth noting that laser crystal itself begins to act as the BRF for wavelength tuning except for its gain characteristic, which has paved a new way for developing a kind of novel tunable laser. We believe that this review will not only provide a valuable reference for the design of BRF but also lay the foundation for developing a new application of BRF.

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“…In 2022, our group realized a single-frequency tunable Ti:sapphire laser with a tuning range of 304 nm [71]. In this process, the optimal condition of BRF design was proposed.…”

Section: Design Of Brf For Single-frequency Ti:sapphire Tunable Lasermentioning

confidence: 99%

A Review of Progress about Birefringent Filter Design and Application in Ti:sapphire Laser

Wei,

Su,

et al. 2023

Photonics

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“…Based on these techniques, low-noise and high-stable allsolid-state single-frequency CW lasers have been developed [34,35,47,48,[53][54][55] to satisfy the requirement of the Frontier scientific research [56][57][58]. With the assistance of the sum-frequency conversion [59], stimulated raman scattering (SRS) [60], and optical parametric oscillation (OPO) [61] technologies, the wavelength of the obtained continuously tunable laser can be further extended to cover the spectral region from the deep ultraviolet to the middleinfrared.…”

Section: Figure 13mentioning

confidence: 99%

Recent progress in continuously tunable low-noise all-solid-state single-frequency continuous-wave laser based on intracavity locked etalon

Jin

Jiao

et al. 2022

Front. Phys.

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All-solid-state single-frequency continuous-wave (CW) lasers have been applied in many fields of scientific research owing to their intrinsic advantages of high beam quality, low noise, narrow linewidth, and high coherence. In atom-based applications, single-frequency lasers should also be continuously tuned to precisely match their wavelengths with the transition lines of the corresponding atoms. Continuous frequency tuning of the laser is mainly achieved by continuously scanning the laser cavity length after the intracavity tuning element etalon is locked to an oscillating laser mode. However, the modulation signals necessary in current etalon locking systems increase the noise of the continuously tunable lasers and in some respects limit their applications in Frontier scientific research. Moreover, the obtained continuous frequency tuning range with the etalon locking technique is restricted by the free spectrum range of the adopted etalon. In this paper, we systematically summarize recent progress of the continuously tunable single-frequency CW lasers based on intracavity locked etalon, including the advanced etalon locking techniques and the tuning range expansion approach. As a result, the low noise and high stable all-solid-state single-frequency CW tunable lasers are successfully developed.

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“…In earlier studies with cryogenic Yb:YLF, 10 s of pJ to few nJ pulses from Ti:Sapphire oscillators around 1018 nm were used as seed sources [3,24,25]. Ti:Sapphire systems provide broad tunability, but at this long-wavelength region, the resulting pulse energies are in the nJ range even for systems pumped with > 10 W of pump power [26][27][28][29][30][31][32]. Moreover, despite recent promising progress in direct diode-pumping [33], the commercial Ti:Sapphire systems still mostly rely on pumping with other lasers, making the systems rather complex, inefficient, bulky and high-cost.…”

Section: Introductionmentioning

confidence: 99%

Cavity-dumped nanosecond Cr:LiSAF laser in the 985–1030 nm region for versatile seeding of Yb-based amplifiers

2022

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We report nanosecond (ns) cavity-dumped operation of a low-cost diode-pumped Cr:LiSAF laser around 1000 nm. The system is pumped with one 1-W single-emitter multimode diode at 665 nm. A Pockell cell (PC) and thin-film-polarizer (TFP) combination placed inside the cavity chops up an adjustable portion of the intracavity power and creates a variable time-dependent output coupler. Via adjusting the length and magnitude of the electrical signal going into the PC, output pulses with pulsewidths in the 2.5–500 ns range and with peak power levels above 10 W are generated at repetition rates up to 100 kHz. The central wavelength of the pulses could be smoothly tuned in the 985–1030 nm region, and is only limited by the anti-reflection coating bandwidth of the current PC and TFP. This versatile nanosecond source with 100 nJ level energies could serve as an attractive low-cost seed source for Yb-based amplifiers, including the cryogenic Yb:YLF systems.

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Diving angle optimization of BRF in a single-frequency continuous-wave wideband tunable titanium:sapphire laser

Cited by 8 publications

References 33 publications

A Review of Progress about Birefringent Filter Design and Application in Ti:sapphire Laser

A Review of Progress about Birefringent Filter Design and Application in Ti:sapphire Laser

Recent progress in continuously tunable low-noise all-solid-state single-frequency continuous-wave laser based on intracavity locked etalon

Cavity-dumped nanosecond Cr:LiSAF laser in the 985–1030 nm region for versatile seeding of Yb-based amplifiers

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