Free standing diamond-like carbon thin films by PLD for laser based electrons/protons acceleration

• We report for the first time synthesis of free standing diamond-like carbon.
• Pulsed laser deposition onto graphene buffer layers.
• Fingerprint techniques of micro-Raman, UV–VIS–NIR and the IR spectroscopic investigations.
• Ultrahigh intensity laser based electron/proton acceleration applications.
• This material's suitable for the laser window and long wave infrared (LWIR) spectral range.

This study we reports for the first time on the synthesis and optical characteristics of free standing diamond-like carbon (DLC) deposited by pulsed laser deposition (PLD) onto graphene buffer layers for ultrahigh intensity laser based electron/proton acceleration applications. The fingerprint techniques of micro-Raman, UV–VIS–NIR and the IR spectroscopic investigations indicate that the suitability of such free standing DLC thin-films within the laser window and long wave infrared (LWIR) spectral range and hence their appropriateness for the targeted applications.

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