High-speed, two-photon scanning microscope

被引:132
作者
Kim, KH [1 ]
Buehler, C [1 ]
So, PTC [1 ]
机构
[1] MIT, Dept Mech Engn, Cambridge, MA 02139 USA
关键词
D O I
10.1364/AO.38.006004
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We have developed a high-speed two-photon microscope with submicrometer resolution in real time. The imaging speed improvement of this system is obtained by the use of a high-speed polygonal mirror scanner. The maximum achievable scanning rate is 40 mu s/line, which is approximately 100 times faster than conventional scanning microscopes. High-resolution fluorescence images were recorded in real time by an intensified CCD camera. Using this instrument, we have resolved cellular architecture in three dimensions and have monitored the movements of protozoas. More important, photodamage to biological specimens during video-rate imaging can be minimized with two-photon excitation as compared with other one-photon modalities. (C) 1999 Optical Society of America.
引用
收藏
页码:6004 / 6009
页数:6
相关论文
共 11 条
[1]  
Bennett BD, 1996, J BIOL CHEM, V271, P3647
[2]   Multifocal multiphoton microscopy [J].
Bewersdorf, J ;
Pick, R ;
Hell, SW .
OPTICS LETTERS, 1998, 23 (09) :655-657
[3]   Real-time two-photon confocal microscopy using a femtosecond, amplified Ti:sapphire system [J].
Brakenhoff, GJ ;
Squier, J ;
Norris, T ;
Bliton, AC ;
Wade, MH ;
Athey, B .
JOURNAL OF MICROSCOPY, 1996, 181 :253-259
[4]  
Buist AH, 1998, J MICROSC-OXFORD, V192, P217, DOI 10.1046/j.1365-2818.1998.00431.x
[5]   2-PHOTON LASER SCANNING FLUORESCENCE MICROSCOPY [J].
DENK, W ;
STRICKLER, JH ;
WEBB, WW .
SCIENCE, 1990, 248 (4951) :73-76
[6]  
Guild Jeffrey B., 1995, Biophysical Journal, V68, pA290
[7]   Multiphoton excitation fluorescence microscopy and spectroscopy of in vivo human skin [J].
Masters, BR ;
So, PTC ;
Gratton, E .
BIOPHYSICAL JOURNAL, 1997, 72 (06) :2405-2412
[8]  
Mohler WA, 1998, BIOTECHNIQUES, V24, P1006
[9]  
RAIJADHYAKSHA M, 1995, J INVEST DERMATOL, V6, P946
[10]   Two-photon deep tissue ex vivo imaging of mouse dermal and subcutaneous structures [J].
So, PTC ;
Kim, H ;
Kochevar, IE .
OPTICS EXPRESS, 1998, 3 (09) :339-350