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White Dwarf TPA – two photon absorption laser for nanolithography

Most Powerful Laser for Two-Photon Absorption (TPA) Nanolithography.
  • Wavelength: 800 nm
  • Repetition rate: 2 MHz
  • Average power: >8 W
  • Pumped by industry-grade Yb-femtosecond laser

Introduction

Most Powerful Lasers for Two-Photon Absorption (TPA) Nanolithography.

The White Dwarf TPA is a femtosecond laser system specifically designed for two-photon absorption (TPA) maskless nanolithography, offering unparalleled performance and precision.

The exceptional average power and repetition rate of the White Dwarf TPA enables researchers and engineers to scale nano-resolution and production speed, reaching new horizons of nanofabrication. Its compact, one-box solution ensures robustness and ease of machine integration.

Enhanced pulse control allows you to match your pulse intensity and dispersion management to the sample – for ultimate nanofabrication productivity.

Features

Highest Average Power

more than 8 W at 2 MHz repetition rate.

One-Box Design

an integrated temperature stabilized one-box design enhancing compactness and robustness.

Enhanced Pulse Control

optional dispersion compensation for optimal pulse intensity at the sample.

Specs

WD-TPA WD-TPA-pro
Central wavelength 800 nm 800 nm
Average power > 5 W > 8 W
Pulse duration
FWHM
< 50 fs < 50 fs
Dispersion compensation
optional
Up to -6000 fs² up to -6000 fs²
Pulse energy
compressed
> 2.5 µJ > 4 µJ
Repetition rate 2 MHz 2 MHz
Beam quality M2 < 1.3 < 1.3
Power stability
12 hrs
< 0.5% < 0.5%
Dimensions 95 cm x 65 cm 95 cm x 65 cm


Applications

  • Maskless TPA Nanolithography
  • Opto-couplers
  • Microlenses
  • Metamaterials
  • Surface functionalization
  • Multi-photon imaging

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