'+pages+'');
$('.stream > div:odd').addClass('bgr_color');
updateHeight('#history');
});
window.activateTabArea = ensure(function(tab, areas){
var parsed = false;
var parts = (areas || '').split('/');
window.fsonload = $.inArray('fs', parts) >= 0;
if(fsonload){
parts.splice(parts.indexOf('fs'), 1);
}
var replayMode = false;
if($.inArray('replay', parts)>=0){
replayMode = 'replay';
}
var noSoundMode = false;
if($.inArray('nosound', parts)>=0){
noSoundMode = 'nosound';
}
if($.inArray('ns', parts)>=0){
noSoundMode = 'ns';
}
var previewMode = null;
if($.inArray('p', parts)>=0){
previewMode = 'p';
}
if($.inArray('preview', parts)>=0){
previewMode = 'preview';
}
if($.inArray('repeat', parts)>=0){
replayMode = 'repeat';
}
if($.inArray('r', parts)>=0 || $.inArray('ro', parts)>=0){
replayMode = 'r';
}
if(replayMode){
parts.splice(parts.indexOf(replayMode), 1);
}
if(noSoundMode){
parts.splice(parts.indexOf(noSoundMode), 1);
}
if(previewMode){
parts.splice(parts.indexOf(previewMode), 1);
}
if(previewMode){
if(!parts.length){
parts = ['1-14', '999:59'];
}
}
var area = parts[0];
if(tab == 'history' && false){
var page = parseInt(area || '1') || 1;
$.ajax({
url: 'https://login.wn.com/recent/json/?pp='+history_pp+'&skip='+history_pp*(page-1),
dataType: 'jsonp',
success: function(response){
$ensure(function(){
renderHistory(response, page);
});
}
});
return true;
}
if(tab == 'global_history' && false){
var page = parseInt(area || '1') || 1;
globalHistory.fetchStream(page, '', function(){
updateHeight('#global_history');
});
return true;
}
if(tab == 'my_playlists' && false){
var page = parseInt(area || '1') || 1;
myPlaylists.fetchStream(page, '', function(){
updateHeight('#my_playlists');
});
return true;
}
if(tab == 'my_videos' && false){
var page = parseInt(area || '1') || 1;
myVideos.fetchStream(page, '', function(){
updateHeight('#my_videos');
});
return true;
}
if(tab == 'related_sites' && areas && matchPosition(areas)){
var seconds = parsePosition(areas);
scrollRelated(seconds);
return false;
}
if(matchPosition(area) || matchAction(area)){
parts.unshift('1');
area = parts[0];
}
if(tab == 'expand' && area && area.match(/\d+/)) {
var num = parseInt(area);
if(num < 100){
//FIX ME. Load news page with ajax here
}
else if(num > 1900){
//FIX ME. Load timeline page with ajax here
}
}
else if(tab.match(/^playlist\d+$/)){
var playerId = parseInt(tab.substring(8));
var vp = videoplayers[playerId];
window.descriptionsholder = $('.descriptionsplace');
if(!vp) return; // why? no player?
if(replayMode){
$('.replaycurrent'+playerId).attr('checked', true);
vp.setReplayCurrent(true);
}
var playQueue = [];
window.playQueue = playQueue;
var playQueuePosition = 0;
var playShouldStart = null;
var playShouldStop = null;
var parseList = function(x){
var items = x.split(/;|,/g);
var results = [];
for (i in items){
try{
var action = parseAction(vp, items[i]);
if(!action.video){
if(window.console && console.log) console.log("Warning: No video for queued entry: " + items[i]);
}else{
results.push(action);
}
}catch(e){
if(window.console && console.log) console.log("Warning: Can''t parse queue entry: " + items[i]);
}
}
return results;
};
var scrollToPlaylistPosition = function(vp){
var ppos = vp.getPlaylistPosition();
var el = vp.playlistContainer.find('>li').eq(ppos);
var par = el.closest('.playlist_scrollarea');
par.scrollTop(el.offset().top-par.height()/2);
}
var updateVolumeState = function(){
if(noSoundMode){
if(noSoundMode == 'turn-on'){
clog("Sound is on, vsid="+vp.vsid);
vp.setVolumeUnMute();
noSoundMode = false;
}else{
clog("Sound is off, vsid="+vp.vsid);
vp.setVolumeMute();
noSoundMode = 'turn-on';
}
}
}
var playQueueUpdate = function(){
var playPosition = playQueue[playQueuePosition];
vp.playFromPlaylist(playPosition.video);
scrollToPlaylistPosition(vp);
playShouldStart = playPosition.start;
playShouldStop = playPosition.stop;
};
var playQueueAdvancePosition = function(){
clog("Advancing play position...");
playQueuePosition ++;
while(playQueuePosition < playQueue.length && !playQueue[playQueuePosition].video){
playQueuePosition ++;
}
if(playQueuePosition < playQueue.length){
playQueueUpdate();
}else if(vp.getReplayCurrent()){
playQueuePosition = 0;
playQueueUpdate();
vp.seekTo(playShouldStart);
vp.playVideo();
}else{
vp.pauseVideo();
playShouldStop = null;
playShouldStart = null;
}
};
function loadMoreVideos(playerId, vp, start, finish, callback){
var playlistInfo = playlists[playerId-1];
if(playlistInfo.loading >= finish) return;
playlistInfo.loading = finish;
$.ajax({
url: '/api/upge/cheetah-photo-search/query_videos2',
dataType: 'json',
data: {
query: playlistInfo.query,
orderby: playlistInfo.orderby,
start: start,
count: finish-start
},
success: function(response){
var pl = vp.getPlaylist().slice(0);
pl.push.apply(pl, response);
vp.setPlaylist(pl);
callback();
}
});
}
if(parts.length == 1 && matchDash(parts[0])){
var pl = vp.getActualPlaylist();
var vids = parseDash(parts[0]);
parts = [];
for(var i = 0; i < vids.length; i++){
playQueue.push({
'video': pl[vids[i]-1],
'start': 0,
'stop': null
})
}
if(vids.length){
if(vids[vids.length-1]-1>=pl.length){
loadMoreVideos(playerId, vp, pl.length, vids[vids.length-1], function(){
if(fsonload){
activateTabArea(tab, parts[0]+'/fs');
}else{
activateTabArea(tab, parts[0]);
}
var pls = vp.getPlaylist();
vp.playFromPlaylist(pls[pls.length-1]);
vp.playVideo();
scrollToPlaylistPosition(vp);
});
return true;
}
}
if(playQueue){
playQueueUpdate();
vp.playVideo();
parsed = true;
playShouldStart = 0;
}
}
if(previewMode){
var vids = [];
var dur = 0;
var pl = vp.getActualPlaylist();
area = parts[0];
if(parts.length == 1 && matchPosition(parts[0])){
vids = parseDash('1-'+pl.length);
dur = parsePosition(parts[0]);
parts = [];
}else
if(parts.length == 1 && matchDash(parts[0])){
vids = parseDash(parts[0]);
dur = parsePosition("999:59");
parts = [];
}
if(parts.length == 2 && matchDash(parts[0]) && matchPosition(parts[1])){
vids = parseDash(parts[0]);
dur = parsePosition(parts[1]);
parts = [];
}
for(var i = 0; i < vids.length; i++){
playQueue.push({
'video': pl[vids[i]-1],
'start': 0,
'stop': dur
})
}
if(playQueue){
playQueueUpdate();
vp.playVideo();
parsed = true;
}
}
if(parts.length>1){
for(var i = 0; i < parts.length; i++){
var sel = findMatchingVideo(vp, parts[i]);
if(sel){
playQueue.push({
'video': sel,
'start': 0,
'stop': null
})
}
}
if(playQueue){
playQueueUpdate();
vp.playVideo();
parsed = true;
}
}else if(area){
var sel = findMatchingVideo(vp, area);
if(sel){
vp.playFromPlaylist(sel);
playShouldStart = 0;
parsed = true;
}
}
if(fsonload || replayMode){
playShouldStart = 0;
}
if(document.location.search.match('at=|queue=')){
var opts = document.location.search.replace(/^\?/,'').split(/&/g);
for(var o in opts){
if(opts[o].match(/^at=(\d+:)?(\d+:)?\d+$/)){
playShouldStart = parsePosition(opts[o].substr(3))
}
if(opts[o].match(/^queue=/)){
playQueue = parseList(opts[o].substr(6));
if(playQueue){
playQueuePosition = 0;
playQueueUpdate();
}
}
}
}
if(matchPosition(parts[1])){
playShouldStart = parsePosition(parts[1]);
parsed = true;
}
if(matchAction(parts[1])){
var action = parseAction(vp, area+'/'+parts[1]);
playShouldStart = action.start;
playShouldStop = action.stop;
parsed = true;
}
if(playShouldStart !== null && !playQueue.length){
playQueue.push({
video: vp.getCurrentVideo(),
start: playShouldStart,
stop: playShouldStop
});
}
if(playShouldStart != null){
setInterval(function(){
if(playShouldStop && vp.currentPlayer && vp.currentPlayer.getCurrentTime() > playShouldStop){
playShouldStop = null;
if(vp.getCurrentVideo() == playQueue[playQueuePosition].video){
playQueueAdvancePosition();
}else{
playShouldStart = null;
}
}
}, 500);
vp.playerContainer.bind('videoplayer.player.statechange', function(e, state){
if(state == 'ended'){ // advance to the next video
playQueueAdvancePosition();
}
});
vp.playerContainer.bind('videoplayer.player.readychange', function(e, state){
if(state){
updateVolumeState();
if(playShouldStart !== null){
vp.seekTo(playShouldStart);
playShouldStart = null;
}else{
playShouldStop = null; // someone started other video, stop playing from playQueue
}
}
if(fsonload) {
triggerFullscreen(playerId); fsonload = false;
}
});
}
}
else if(tab.match(/^wiki\d+$/)){
if(firstTimeActivate){
load_wiki($('#'+tab), function(){
if(area){
var areaNode = $('#'+area);
if(areaNode.length>0){
$('html, body').scrollTop(areaNode.offset().top + 10);
return true;
}
}
});
}
}
return parsed;
})
window.activateTab = ensure(function(tab, area){
window.activeArea = null;
if(tab == 'import_videos'){
if(area){
import_videos(area);
}else{
start_import();
}
return true;
}
if(tab == 'chat'){
update_chat_position($('.chat').eq(0));
window.activeArea = 'chat';
jQuery('.tabtrigger').offscreentabs('activateTab', 'chat');
return true;
}
if(tab in rev_names){
tab = rev_names[tab];
}
if(tab.match(':')){ return false; }
var sup = $('ul li a[id=#'+tab+']');
if(sup && sup.length>0){
window.activeArea = area;
sup.first().click();
if(!window.activateTabArea(tab, area)){
window.activeArea = null;
}
window.activeArea = null;
return true;
}else{
var have_tabs = $('#playlist_menu li').length;
if(tab.match(/^playlists?\d+$/)){
var to_add = +tab.substring(8).replace(/^s/,'')-have_tabs;
if(to_add>0 && have_tabs){
add_more_videos(to_add);
return true;
}
}
}
return false;
});
window.currentPath = ensure(function(){
return window.lastHistory.replace(basepath, '').split('?')[0];
});
window.main_tab = window.main_tab || 'videos';
window.addHistory = ensure(function(path){
if(window.console && console.log) console.log("Adding to history: "+path);
if(window.history && history.replaceState && document.location.hostname.match(/^(youtube\.)?(\w{2,3}\.)?wn\.com$/)){
if(path == main_tab || path == main_tab+'/' || path == '' || path == '/') {
path = basepath;
} else if( path.match('^'+main_tab+'/') ){
path = basepath + '/' + path.replace(main_tab+'/', '').replace('--','/');
} else {
path = basepath + '/' + path.replace('--','/');
}
if(document.location.search){
path += document.location.search;
}
if(window.lastHistory) {
history.pushState(null, null, path);
}
else if(window.lastHistory != path){
history.replaceState(null, null, path);
window.lastHistory = path;
}
}
else{
path = path.replace('--','/');
if(path == main_tab || path == main_tab+'/' || path == '' || path == '/') {
path = '';
}
if(window.lastHistory != '/'+path){
window.location.hash = path? '/'+path : '';
window.lastHistory = '/'+path;
}
}
});
$('.tabtrigger li a').live('click', ensure(function() {
var tab = $(this).attr('id');
if(tab.substring(0,1) == '#'){
var name = tab.substring(1);
if(name in menu_names){
name = menu_names[name][0];
}
realTab = rev_names[name];
$('#'+realTab).show();
if(window.console && console.log) console.log("Triggering tab: "+name+(window.activeArea?" activeArea="+window.activeArea:''));
var path = name;
if(window.activeArea){
path = path + '/' + window.activeArea;
}
if(tab.match(/#playlist\d+/) || tab.match(/#details\d+/)){
$('.multiple-playlists').show();
$('.related_playlist').show();
$('.longest_videos_playlist').show();
}else {
$('.multiple-playlists').hide();
$('.related_playlist').hide();
$('.longest_videos_playlist').hide();
}
// start the related script only when the tab is on screen showing
if (tab.match(/related_sites/)) {
if (mc) {
mc.startCredits();
}
}
window.activeTab = realTab;
addHistory(path);
setTimeout(ensure(function(){
if(tab.match(/language--/)){
$('.tabtrigger').offscreentabs('activateTab', 'language');
}
if(tab.match(/weather/)) {
$('.tabtrigger').offscreentabs('activateTab', 'weather');
loadContinent();
}
updateMenus(tab);
updateHeight();
}), 10);
}
return false;
}));
});
-->
');
} else {
var query = elem.find('.keywords').html();
$.ajax({
context: elem,
url: 'https://wn.com/api/upge/cheetah-search-adv/video',
cache: true,
data: {
'query': query
},
dataType: 'jsonp',
success: function(text) {
if (text.length > 0) {
video_id = text[0].id;
elem.find('.player').html('
VIDEO
');
}
}
});
}
}
var stopAllYouTubeVideos = function() {
var iframes = document.querySelectorAll('iframe');
Array.prototype.forEach.call(iframes, function(iframe) {
iframe.contentWindow.postMessage(JSON.stringify({ event: 'command', func: 'pauseVideo' }), '*');
});
}
jQuery(function() {
jQuery(".playVideo").live("click", function() {
if(!$(this).hasClass("played")){
stopAllYouTubeVideos();
var elem = $(this);
setTimeout(function(){
mouseOverMe(elem);
}, 1000);
}
});
jQuery(".description_box .expandContent").live("click", function() {
elem = $(this).parent().parent().parent().find('.descContent');
if(elem.height() > 51) {
elem.css('height', '44px');
$(this).html('Show More
');
}else{
elem.css('height', 'auto');
$(this).html('Hide
');
}
});
jQuery('.interview-play-off').click(function() {
$(".interview-play-off").hide();
$(".interview-play").show();
$(".videoplayer-control-pause").click();
});
jQuery(".video-desc .show_author_videos").live("click", function() {
query = $(this).attr('title');
container = $(this).parent().parent().parent().find('.video-author-thumbs');
$(this).parent().parent().parent().find('.video-author-thumbs').css('height', '220px');
jQuery.ajax({
url: '/api/upge/cheetah-photo-search/videoresults',
data: {'query': query},
success: function(text) {
if(!text) { text = i18n("No results"); }
container.html(jQuery(text));
}
});
});
});
// -->
Latest News for: chirped-pulse amplification
Edit
Raw Story
02 Oct 2024
Strickland, a physicist from the University of Waterloo , won the award for her work on lasers, implementing a method called chirped pulse amplification ... Before she got the chirped pulse amplification ...
Edit
Phys Dot Org
01 Oct 2024
Strickland, a physicist from the University of Waterloo , won the award for her work on lasers, implementing a method called chirped pulse amplification ... Before she got the chirped pulse amplification ...
Edit
Interesting Engineering
24 Jul 2024
The researchers propose using plasma to perform a role similar to traditional diffraction gratings in chirped-pulse amplification (CPA ) systems.
Edit
Phys Dot Org
16 Apr 2024
There is an interesting connection between the 2018 and 2023 prizes in that chirped pulse amplification was one of the techniques that enabled the development of attosecond lasers.
Edit
Phys Dot Org
02 Apr 2024
"In combination with our previously proposed Wide-angle Non-collinear Optical Parametric Chirped Pulse Amplification (WNOPCPA) method, it is expected to reach the highest intensity condition of an ...
Edit
Dawn
01 Apr 2024
That was when Mourou and his then-student Strickland invented a technique called Chirped-Pulse Amplification (CPA ), which managed to boost power while keeping the intensity safe.
Edit
Beijing News
01 Apr 2024
That was when Mourou and his then-student Strickland invented a technique called Chirped-Pulse Amplification (CPA ), which managed to boost power while keeping the intensity safe.
Edit
The Peninsula
31 Mar 2024
That was when Mourou and his then-student Strickland invented a technique called Chirped-Pulse Amplification (CPA ), which managed to boost power while keeping the intensity safe.
Edit
Phys Dot Org
27 Mar 2024
Additionally, a chirped-pulse amplification system built alongside the oscillator boosts the laser performance immensely, resulting in an average output power over 1 W , a pulse energy of 19.55 nJ, and a dechirped pulse duration of 230 fs.
Edit
Phys Dot Org
04 Jan 2024
... titanium.sapphire chirped pulse amplification technology, and turn to optical parametric chirped pulse amplification technology, based on deuterated potassium dihydrogen phosphate nonlinear crystals.
Edit
Phys Dot Org
18 Oct 2023
sapphire chirped pulse amplification system with wide bandwidth and low repetition rate, which limits the speed of laser processing ... In this work, a Martinez-type pulse stretcher was adopted to ...
Edit
Eagle-Tribune
13 Feb 2023
To increase the intensity of a pulse, chirped pulse amplification which consists of a pulse stretcher, amplifier, and compressor is typically used ... By initially chirping the pulse in a nonlinear ...
Edit
Phys Dot Org
06 Dec 2022
With chirped pulse amplification for X-rays, "we've shown that we can achieve very impactful beam parameters of greater than 1 terawatt peak power and a pulse duration of about 1 femtosecond at the same time.".
Edit
Phys Dot Org
21 Nov 2022
The extremely compact system is based on the concept of optical parametric chirped pulse amplification (OPCPA), in which a weak ultrashort infrared pulse is amplified by interaction with an intense ...
Loading...');
var query = jQuery('.radio_query').val();
jQuery.ajax({
data: { query: query },
url: '/api/upge/cheetah-photo-search/radio',
success: function(text) {
jQuery('.radio-search-results').html(jQuery(text));
updateHeight();
$('#RadioSearchTable').tablesorter();
$('#RadioSearchTable').trigger("update");
}
});
return false; // do not submit the form
});
$(".search-tools-btn").click(function () {
header = $(this);
content = $(".search-tools-content");
if(content.is(':visible')) {
content.hide('slow');
header.html('Tools ');
}else{
content.show('slow');
header.html('Hide ');
}
});
});
Eagle-Tribune
13 Feb 2023
Eagle-Tribune
13 Feb 2023