900~1000nm laser diode

I need to buy some 900~1000nm laser diode for my experiment, anyone knows any info about that?(Of cuz! the cheaper the better) Many Thanks. :)

980nm module, 5mw 3.2VDC for ~ S8 here:

http://www.aixiz.com/store/product_i...roducts_id/365

http://www.frlaserco.com/index.php?I...tent&task=view