femtoshape HP

femtoSHAPE-HP

Femtosecond Pulse Shaper for Ultrafast Amplifiers

The femtoSHAPE-HP system is ideal for direct post-amplification compression and shaping of mJ-level femtosecond pulses. High-quality transmission gratings, water-cooled liquid-crystal-on-silicon spatial light modulator (LCOS SLM) heads, large-aperture dielectric optics, and sealed packaging enable high power/energy handling. Diffractive shaping offers both phase and amplitude control. The femtoSHAPE-HP configurations are optimized for laser sources emitting at 800 nm and 1030 nm, with up to 100 nm bottom-to-bottom spectral range. Fourier-domain pulse shaping by a programmable LCOS SLM does not require synchronization with a laser source, working equally well for laser repetition rates from 100 Hz to 1 GHz. 

3D

Features

Over 300 Independent Control Channels Large Acceptance Aperture 

Enhanced Power/Energy Handling

Water-cooled LCOS SLM Head

Configurations for 800 nm and 1030 nm

Sealed Packaging 

The femtoSHAPE-HP system comes complete with a compact spectrometer, nonlinear optical detection kit and a software package enabling push-button pulse compression to the Fourier-transform-limited duration using multiphoton intrapulse interference phase scan (MIIPS) technique. In addtition to automated dispersion compensation, the software offers built-in functionality for time-domain pulse shaping.

The femtoSHAPE-HP system supersedes the popular MIIPS-HD product line.

Polarization Linear, Horizontal
Average Power, W * <10
Pulse Energy, mJ * <10
Beam Diameter, 1/e2, mm ** 7 (typ.), <10

* Depends on the center wavelength of the laser source. The estimates above assume 800 nm laser source. If the bottom-to-bottom laser bandwidth is narrower than the pulse shaper’s passband, the maximum power/energy limit should scaled down proportionally.

** Estimated maximum beam diameter. The aperture is limited by 15.9 mm width of the LCOS SLM.

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Programmable Device LCOS SLM, 2D Array, 1272×1024
SLM Dispersion Axis, Number of Pixels 1024
Pixel Pitch, μm 12.5

Pulse Control Variables*

Phase and Amplitude

Central Wavelength, λc, nm**

800 or 1030
Spectral Passband, Δλ, nm** <100 nm
Spectral Resolution, dλ, nm** ~ Δλ/340
Throughput, %*** >65 (typ.)

* Diffractive shaping enables phase-only, amplitude-only and phase-and-amplitude control via a single mask 2D LCOS SLM.

** Spectral resolution depends on the input beam quality. It is estimated using measurements for femtoSHAPE-HP-800-90 with a collimated 6.5 mm 1/e2 dia. input beam, M2<1.1.

*** Defined as a ratio of the output power in the first-order-diffracted beam (after spatial filtering) to the input laser power. The SLM is programmed to apply “zero” phase and 100% transmission mask across the entire passband. The reported value is typical,  the actual throughput depends on the pulse shaper configuration.

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Dimensions (W × D × H), mm 517 × 174 × 142
Cooling* Water-cooled, Requires an External Chiller
Supply Voltage, VAC 100-240, 50-60 Hz
Power Consumption, W <18

* Circulating water chiller is not included.

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Applications

Material Processing, Micromachining

High Harmonic Generation

Nonlinear Spectroscopy

Filamentation Studies
Coherent Control Attosecond Sciences

femtoSHAPE-HP configuration example
Example: femtoSHAPE-HP-800-90 is a femtoSHAPE-HP pulse shaper that is configured for a 90 nm-wide passband centered at 800 nm.

Available configurations:

  • femtoSHAPE-HP-800-90
  • femtoSHAPE-HP-800-75
  • femtoSHAPE-HP-800-50
  • femtoSHAPE-HP-1030-100
  • femtoSHAPE-HP-1030-65

femtoSHAPE-HP ultrafast pulse shaper drawing
Dimensions - mm [in]
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