Project Report

Abdurahim Rakhman

(11/30/11 - 1/6/12)

ILL Group Meeting, Penn State University

January 9, 2012

Abdurahim Rakhman Project Report

Outline

1 Direct Laser Acceleration (DLA)

2 UV Pulse Stretcher (UVS)

Abdurahim Rakhman Project Report

Direct Laser Acceleration (DLA) (1)

Completed:

Established a conceptual understanding of the DLA project

Production of radially polarized beam with fs laser (Ebeam up to 1mJ)

Finalized the parts list of gas system for DLA setup (waiting for the finalquotes from Swagelok & Praxair)

¼” NPT

Swagelok

Pressure

Relief

Valve

T

Valve

Gauge2 Gauge1

Regulator

CGA-580

Valve

Copper Tube

OD=¼”

Copper Tube

OD=¼”

Gauge1: 3000 psi (max)

Gauge2: 1000 psi (max)

To Pulse Valve

Controller

Abdurahim Rakhman Project Report

Direct Laser Acceleration (DLA) (2)

In Progress:

Setting up three Mightex cameras for DLA diagnostics with Labview

Currently configured for 2 cameras w/ live mode, trying to implement 3

Needs To Do:

1 Place an order for gas system parts this week

2 Finish the Labview control of three cameras w/ triggered mode

3 Identify the electronics module for motion control system used inside thevacuum chamber

4 Liquid crystal polarization converter test with ∼12 mJ, 30 fs pulses

Abdurahim Rakhman Project Report

UV Pulse Stretcher (UVS) (1)

Completed:

Established a conceptual understanding of the UVS project

Reproduced some of the simulation plots in the proposal

Created a preliminary design for a pulse stretcher based on the proposal

GR-1

GR-2

RM

M

M

M

M

L

L

Abdurahim Rakhman Project Report

UV Pulse Stretcher (UVS) (2)

In Progress:

Trying to establish a beam propagation model based on the properties ofPalitra beam

Identifying the specs for optical/mechanical elements used in the stretcher

Needs To Do:

1 Elements to characterize the stretched pulse

2 Make a parts list for basic UVS system

3 Think of a way to reduce environmental damage caused by UV light

Abdurahim Rakhman Project Report