picoEmerald FT for Stimulated Raman Microscopy
- Light source perfectly designed for CARS/SRS applications
- Integrated EOM (20 MHz modulation frequency)
- Shot noise limited ⇒ Extremely low noise compared to all-fiber laser systems
- Highly sensitive and fast imaging of: Raman tags, Fingerprint region, CH2-CH3
- 210 cm-1 … 5450 cm-1 energy difference (Pump to Stokes)
- Compatible with commercial microscopes and homebuilt setups
Further information on picoEmerald FT for CARS/SRS Microscopy.
Options
- Add Idler output: 1055 nm … 2340 nm
- Add integrated EOM for SRS applications (20 MHz modulation frequency)
- Add APE’s pulseSlicer to narrow output spectrum down to <0.2 cm-1 and elongate pulse duration up to >50 ps
- Add APE’s HarmoniXX SHG/THG to extend the output wavelength range into VIS and UV
- Add APE’s pulseSelect for controlled reduction of output repetition rate between single shot and 20 MHz
Application Examples Picosecond Laser
- SRS (Stimulated Raman Scattering) Microscopy
- CARS (Coherent Anti-Stokes Raman Scattering) Microscopy
- SRP (Stimulated Raman Photothermal) Microscopy
- SHG (Second Harmonics Generation) Imaging
- Transient Absorption Microscopy (TAM)
- Pump-Probe Spectroscopy
- Two-Photon Excitation Fluorescence Microscopy
- FLIM (Fluorescence Lifetime Imaging Microscopy) / FRET (Fluorescence resonance energy transfer)
- SEHRS (Surface Enhanced Hyper Raman Spectroscopy)
- Quantum Dot Single-Photon and Entangled-Photon Generation
- TCSPC (Time Correlated Single Photon Counting)
- Ghost Imaging
Type of Source : Automated picosecond (narrow-band) tunable light source
Wavelength 1 1032 nm beam* : 1032 (± 1.5) nm
Wavelength 2 OPO Signal : 660 nm … 1010 nm
Wavelength 3 OPO Idler*: 1055 nm … 2340 nm
Power 1 : 1032 nm beam* >700 mW (unmodulated) >350 mW (modulated at 20 MHz)
(customized versions on request)
Power 2 : OPO Signal >600 mW at 800 nm
Power 3 : OPO Idler* >400 mW at 1250 nm
Δν OPO Signal – 1032 nm beam*: 210 cm-1 … 5450 cm-1
Pulse Width : 2 ps
Repetition Rate : 40 MHz
Spectral Bandwidth Signal, 1032 nm beam : 10 cm-1
Beam Diagnostics : Integrated spectrometer for Signal wavelength and bandwidth
Integrated sensors for 1032 nm and Signal beam of power, position and temporal overlap
Beam parameters
Pointing Stability : <100 μrad per 100 nm
M²: <1.2 (OPO Signal), typ. 1.2 (1032 nm beam)
Polarization : Linear; Horizontal >100:1
Beam Divergence**: 0.8 (± 0.2) mrad (at 800 nm and 1032 nm)
Beam Diameter at 2 m after exit**: 3.0 (± 0.5) mm at 800 nm; 3.2 (± 0.5) mm at 1032 nm
Software
Software : Graphical User interface (GUI) for Windows PC
Remote Control : Ethernet TCP/IP / Serial RS232
EOM Modulator*
Stokes Modulation : EOM with 20 MHz modulation frequency, exactly half of the repetition rate, built into picoEmerald
Dimensions, Power Consumption, Environment
Dimension :
picoEmerald: 962 mm x 318 mm x 472 mm, 104 kg (see drawing for details)
Laser Control Unit: 19 inch (4 U), 11 kg
Chiller: 197 mm x 330 mm x 279 mm, 10 kg
Power :
100 V … 240 V, 50 Hz … 60 Hz, max. 450 W (setup without Chiller)
100 V … 240 V, 50 Hz … 60 Hz, max. 600 W (Chiller)
Environmental Conditions : ambient temperature and humidity during operation / standby: +18 … +25°C, temperature fluctuation: <1°C recommended, humidity: <60%
*The picoEmerald FT is a modular platform. 1032nm output, EOM and Idler output are optionally available.
**Beam parameters optimized to generate foci with same size and z-position for Pump and Stokes.
