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Light Conversion-HARPIA-TA超快瞬態(tài)吸收 反射光譜儀

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更新時間：2025-03-30 07:59:43瀏覽次數(shù)：183次

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聯(lián)系人：黃少華 （總經(jīng)理）

產(chǎn)品簡介

Market-leading sensitivity330nm– 24 μm spectral rangeProbe delay ranges from 2ns to 8nsPump pulse energies down to nJCryostat and peristaltic pump support

詳細(xì)介紹

The HARPIA-TA ultrafast transient absorption spectrometer provides pump-probe measurement functionality in a HARPIA system. Several probe light configurations and detection options are available: from a photodiode for single-wavelength detection to white-light supercontinuum probing combined with spectrally-resolved broadbａnd detection. HARPIA-TA features extensive automation options providing pump and probe beam position tracking and alignment, pump polarization control, supercontinuum generator switching, sample positioning, as well as switching between transient absorption and transient reflection measurements. Broadbａnd probe options cover a 330 – 16000 nm range, while a monochromatic probe can be used up to 24 μm. The probe delay stage is configurable from 2 ns to 8 ns.

HARPIA-TA features market-leading sensitivity of 0.05 mOD (10-4 ΔT/T) and can be operated at high repetition rates of up to 1 MHz when used with a PHAROS or CARBIDE laser and an ORPHEUS series OPA, which allows the study of transient absorption dynamics with excitation pulse energies down to several nanojoules.

HARPIA-TA is compatible with cryostats and peristaltic pumps, and the capabilities of the spectrometer are extendable using expansion modules.



Model

HARPIA-TA

Configuration

UV / VIS / NIR / SWIR

MIR

Probe excitation wavelength

1030 nm

515 nm

800 nm

n/a 1)

Probe spectral range

460 – 1600 nm

350 – 750 nm

330 – 1400 nm

190 nm – 16000 nm 2)

Detection spectral range

200 – 1100 nm, 900 – 1700 nm, or 900 – 2600 nm

2 – 13 μm 3)

Delay range

2 ns, 4 ns, or 8 ns

Delay resolution

2.1 fs, 4.2 fs, or 8.3 fs

Laser repetition rate

1 – 1000 kHz

Temporal resolution

< 1.4× pump or probe pulse duration, whichever is longer

Maximum data acquisition rate

4000 spectra/s

–

SNR 4)

250:01:00


  • A wavelength-tunable source is used instead of a laser-excited white-light continuum.
  • An extended tuning range of ORPHEUS‑HP; see specification for more details. Also applicable to UV/VIS/NIR/SWIR configuration.
    Up to 24 μm available upon request; contact sales for more details.
    Estimated as the standard deviation of a set of 2500 spectra measured in SCHOTT OG530 glass with 54 nJ, 370 nm pump and > 4.5 mOD at a maximum of the spectrum. Not applicable to all samples and configurations.
  • Up to 24 μm available upon request; contact sales for more details.
  • Estimated as the standard deviation of a set of 2500 spectra measured in SCHOTT OG530 glass with 54 nJ, 370 nm pump and > 4.5 mOD at a maximum of the spectrum. Not applicable to all samples and configurations.



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