FemtoFiber ultra 920

飞秒光纤激光双光子显微镜与神经科学

使用清洁脉冲技术获得更明亮的图像
具有集成AOM和GDD的完全交钥匙系统
全风冷设计，无噪音压力
紧凑的激光设计节省桌面空间
使用稳健可靠的光纤激光器技术，降低成本

在双光子显微镜中，峰值功率是亮度！如果您想要较好的图像亮度，您需要短脉冲，高功率，重要的是拥有一个清晰的脉冲波形。
借助TOPTICA独特的清洁脉冲技术、充足的输出功率和较短的脉冲，FemtoFiber ultra 920具有较高的相对峰值功率，并在双光子显微镜中实现先进的亮度，还不会对样品产生不必要的加热。
交钥匙和直观的操作，全部集成的GDD和AOM系统对用户友好，让您更加专注于您的研究！无需定期维护或校准，TOPTICA稳健可靠的光纤激光技术可显著降低激光系统的成本。此外，紧凑的激光设计将噪音压力降至较低，同时节省桌面空间。

FemtoFiber ultra 920非常适合于普通荧光团（如GFP、eGFP、曙红、GCaMP、CFP、钙黄绿素或维纳斯）的双光子激发。

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Specification

Center wavelength	920 nm
Pulse duration	< 100 fs
Average output power	> 1.5 W
Repetition rate	80 MHz
Motorized dispersion precompensation (GDD)	-40000 .. +1000 fs²
Integrated power control (AOM, optional)	> 1 MHz AOM modulation bandwidth
Power in main pulse	> 98%

Additional Information

典型的发射光谱（线性）。

干涉测量自相关。

检索脉冲形状与类型。99%的激光功率在主峰。
References

“The FemtoFiber ultra 920 was a pleasure to work with: it is incredibly compact and easy to use, and lowers the barrier to entry for two-photon microscopy. In particular, I appreciated the added features like integrated dispersion compensation and power control as they minimise the extra effort I need to put in when setting up a 2P microscope. Having years of experience in multiphoton microscopy, I feel that lasers like this one that we can just „plug and play“ will be game-changers for the field.“

„The inherent stability, the ease of use, and the clean temporal pulse shape of the FemtoFiber ultra 920 make TOPTICA‘s fiber lasers the ideal choise for our applications in neuroscience“

„For me the FemtoFiber ultra 920 with its Clean-Pulse Technology has the perfect optical parameters for highest two-photon image quality. In addition, the passive and cold laser head is an essential feature since it reduces the noise in laboratory and with that the stress on the living animals“

“I recommend the FemtoFiber ultra 920 and FemtoFiber ultra 1050 to other colleagues because both are reliable, easy to use, plug and play, with specifications that perfectly fit our purpose, no vibration on the optical table, no chiller noise, and last but not least because of the great support from TOPTICA.”

“I chose the FemtoFiber Ultra 920 due to its short pulse, compact design, and high power which is sufficient for two systems. So it's great, the performance is as promised, the laser is very stable and the beam profile is exceptionally clean. Highly recommended!“
Applications
- 2P-Microscopy
- Neuroscience
- SHG microscopy
Downloads
Literature
- Scientific Article: W. Zong, et al., Large-scale two-photon calcium imaging in freely moving mice, Cell https://doi.org/10.1016/j.cell.2022.02.017 (2022)
- Scientific Article: Ruihong Dai , et al., High energy (>40 nJ), sub-100 fs, 950 nm laser for two-photon microscopy, Optics Express, Vol. 29, Issue 24 (2021
- Scientific Article: J. Han, et.al., Robust functional imaging of taste sensation with a Bessel beam, Biomedical Optics Express 12, 5855 (2021)
- Webinar: Setting Up a Simple and Cost-Efficient Two-Photon Microscope for Neuroscience
- Scientific Paper: Simplifying two-photon microscopy (2020)
- Article: TOPTICA Introduces FemtoFiber ultra 920 (2019)
- Application Note: Dr. Max Eisele, Bernhard Wolfring "Next generation two-photon microscopy using the FemtoFiber ultra 920 fiber laser", Physics Today (2019)
- Application Note: Dr. Max Eisele, Bernhard Wolfring "Next generation two-photon microscopy using the FemtoFiber ultra 920 fiber laser" (2019)

Beam shape	TEM₀₀, M² < 1.2
Beam divergence	< 1 mrad
Beam size (1/e²)	Ø 1.0 mm (typ.)
Linear polarization	100:1 (>20 dB), vertical
Output coupling	Free space
Dimensions laser head	77 x 165 x 300 mm³ (H x W x D)
Weight laser head	< 5 kg
Dimensions supply unit	131 x 484 x 600 mm³
Weight supply unit	< 20 kg
Power supply	24V DC (AC power supply optionally included)
Power consumption	< 150 W
PC Interface	Ethernet, USB
Environment temperature	19 - 25 °C (operating), 0 - 40 °C (storage and transport)
Environment humidity	Non-condensing