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Coupletech Co., Ltd.

 
 
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Nd Doped Phosphate Glass 

  Category : Textiles and clothing->Accessories->handbag accessories

     
Nd Doped Phosphate Glass
       

  Product Specification
 
  Country  CN
  Brand  COUPLETECH
  Packing  Carton packaging
  Minimum Order  1
  Payment Term  T/T

 

    Product Detail
  <p class="MsoNormal">
Nd Doped Phosphate Glass is a kind of laser crystal with good properties, Neodymium (chemical symbol: Nd) is a chemical element belonging to the
group of rare earth metals. In laser technology, have been widely used in high
average power laser solid state lasers,laser material
processing, range finder and other industrial and scientific applications. The usual pump wavelength is 808 nm (for Nd:YAG; wavelengths for other
host materials can somewhat differ), but a higher slope efficiency can be
achieved by directly pumping into the upper laser level 4F3/2 with 869-nm light.
</p>
<p class="MsoNormal">
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</p>
<p class="MsoNormal">
The strongest laser transition is that from 4F3/2 to 4I11/2 for 1064 nm, but
other transitions are available with longer or shorter wavelengths. In order to
achieve lasing on those, lasing at the 1064-nm line needs to be suppressed by
inserting an appropriate wavelength filter (usually consisting of one or more
dichroic mirrors) into the cavity. Via multi-phonon emission, the populations
in levels 4I11/2 to 4I15/2 are quickly transferred to the ground-state manifold
4I9/2. (The lower-state lifetime is much smaller than the upper-state
lifetime.) Hence, there is normally negligible population in all these levels,
so that neodymium-doped gain media exhibit pure four-level behavior. The
exception is the case where the lower level is the ground-state manifold 4I9/2:
946-nm Nd:YAG lasers (and other Nd-based lasers emitting between 900 and 1000
nm) are quasi-three-level lasers, exhibiting a fairly high threshold pump
power.
</p>
<p class="MsoNormal">
<img title="Neodymium doped phosphate Glass " alt="Neodymium doped phosphate Glass " src="http://i.bosscdn.com/product/68/e0/c3/dc6ad1dafd0a1d363ba385e640.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=22&p=9&t=80&text=Y291cGxldGVjaC5ib3NzZ29vLmNvbQ%3D%3D" />
</p>
<br />coupletech.com

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