…but in reality has degraded properties (higher divergence and lower radiance). Often the quality of a laser beam is
specified using the M2 (M squared) parameter. For example, a YAG laser operating exclusively in the TEM00
mode has M2 = 1, while multimode laser diodes
have an M2 of…
…labeled X is the data taken in this plane.
B. Y Column. This column is computed data appropriate
for the YZ plane (the vertical plane when the scan head
is adjusted to an azimuth angle of 45°).
A B C D
…structures fabricated with a Spirit industrial femtosecond laser. Strut widths
and thicknesses are <50 mm. Courtesy of Spectra-Physics, a Newport Corp. brand.
The Sprite-XT is a compact mode-locked
Ti:sapphire laser from M Squared Lasers Ltd.
Courtesy of M Squared Lasers.
…Yb:YAG Fiber Laser
Nominal Power (W) 1000
Laser Beam Quality (BPP) at Collimator <24 mm x mrad for 400 m round fiber core;
<35 mm x mrad for 400 m square fiber core
Pulse Frequency Range (kHz) Standard: 10 to 30 (others on request)
Max. Pulse Energy (mJ) 100
…either be achieved by using a line beam or
by using a square field for processing. The
microscope image in figure7 shows the
gallium surface after laser lift-off processing
using a line field (A) and a square field (B).
The grooves in the overlap area are welldiscernible…
…thermal damage at this low fluence.
Figure 5. White light Interferometric (WLI) measurement of laser irradiated chitosan. The square structures are 10
microns square and 525 nm high. The structure was produced by mask projection and translating the sample relative
to the beam using a…
N·m Newton meter
OEM Original equipment manufacturer
oz·in. Ounce inches
rms Root mean square (effective value of a sinusoidal wave)
RMA Return material authorization
TEC Thermo-electric cooler
TEM Transverse electromagnetic…
QI-19.140 Rev. A
…(nm) 190 to 1100 [BM-7 Si-Enhanced, BM-3 Si-Enhanced]
800 to 1800 [BM-7 InGaAs (3 or 5 mm), BM-3 InGaAs (3 mm)]
Sensor Aperture 9 mm square [BM-7 (Si-Enhanced)]
5 mm circular [BM-3 (Si-Enhanced)]
3 mm circular [BM-3 and BM-7 (InGaAs)]
(optional BM-7 InGaAs 5 mm…
…Enterprise II 415 (60)
8.0 - 11.6
(2.0 - 3.0)
135 - 400
(20 - 60)
0.40 3.8 (0.150)
All figures include the two 7.6 m (25 feet) lengths of 16 mm (5/8 inch) I.D. hose supplied with each laser. The
figures do not include a 60 micron water filter. A new filter produces…
…makers in the United States, supplying products in a wide range of styles to hotels, healthcare facilities and schools. The company has 60,000 square feet of environmentally controlled manufacturing and office space in Chattanooga, Tennessee. Intersign employs more than 140 individuals, and…
…number of vias per area increases with the
square of the pitch, the number of through vias which fit
into the field will increase likewise. Hence, the parallel
drilling rate (holes per second) actually increases with the
square of the pitch size. In contrast, in the case of…