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ZnTe/GaSe太赫兹晶体 | 瑆创光学电子商店

Products / 光学元件 /太赫兹光学元件 /ZnTe/GaSe太赫兹晶体 /
ZnTe/GaSe太赫兹晶体
ZnTe GzSe 联系下单！

ZnTe（碲化锌）晶体具有一些取向。对于通过光整流过程产生的太赫兹，使用<110>取向的ZnTe。光整流是介质中二阶敏感性较大的不同频率。光学整流也类似于频率倍增，其中晶体中感应的偏振等于单个频率的差值，而不是它们的总和。这可以通过关系 cos（A）*cos（B） =[cos（A+B）+cos（A-B）]/2 来计算。描述光学整流和倍频的另一种方法是考虑当源在频率w时，在频率为2w的介质中感应的偏振。然后，产生的脉冲将是光脉冲的包络。太赫兹脉冲的检测发生在自由空间电光检测中，使用另一个110定向ZnTe晶体。通过太赫兹脉冲的线性传播和通过ZnTe晶体的可见脉冲，可以诱导ZnTe晶体中的双折射，并通过线性偏振可见光脉冲读出i。当两个脉冲都在ZnTe晶体中时，可见极化将由太赫兹脉冲旋转。利用l/4波片、一组平衡光电二极管和分束偏振片，通过跟踪ZnTe晶体后可见光脉冲偏振旋转，在相对于太赫兹脉冲的延迟时间范围内，能够追踪太赫兹脉冲幅值。ZnTe的应用包括LED和激光二极管，太阳能电池，太赫兹成像，电光探测器，全息干涉测量和激光光学相位共轭器件。

 

                       

 

一般规格
  材料   ZnTe
  尺寸公差（mm）   ±0.1
  表面质量   10/5
  平整 度   <λ/6@633nm
  波前失真   λ/8
  并行度（arcsec）   <20
  损伤阈值（脉冲）   0.0016 MW/cm2 
  安装直径   25.4mm

 


硒化镓（GaSe）是一种非线性单光学晶体，具有高非线性系数，宽透明范围和高坝阈值。它是中红外区域 SHG 的一种非常合适的材料。在6.0μm至12μm的波长范围内观察到GaSe的频率倍增特性。

 

一些应用领域包括 - CO2激光器的SHG（高达9%的转换）;脉冲CO，CO2和化学DF激光器（I = 2.36μm）辐射的SHG;将CO和CO2激光辐射上转换到可见光区域;通过钕和红外染料激光器或（F-）-中心激光脉冲的频率混合产生红外脉冲;OPG光产生在3.5-18μm以内;太赫兹（T射线）辐射生成。

由于材料结构的原因，无法切割某些相位匹配角度的晶体，因此限制了应用领域。

 

 

 
                                                                                                                    Figure 1                                                       Figure 2

 

 

一般规格
  材料   GaSe
  尺寸公差（mm）   ±0.1
  表面质量   10/5
  平整 度   <λ/6@633nm
  波前失真   λ/8
  并行度（arcsec）   <20
  损伤阈值（脉冲）   28000 MW/cm2 (9.3 μm, 150ns)
  安装直径   25.4mm

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Thickness (mm)

Dimension (mm)


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Compare Model Drawings & Specs Dimension (mm) Thickness (mm) Mount Diameter (mm) Orientation (Θ/φ) (°) Availability Reference Price
(USD)
GaSe-THC-7-0.01
GaSe, Z-Cut Cleaved Terahertz Crystals, Ø=7mm, Thickness=0.01mm, Uncoated 		25.4 2-3 Weeks Request for quote
GaSe-THC-7-0.03
GaSe, Z-Cut Cleaved Terahertz Crystals, Ø=7mm, Thickness=0.03mm, Uncoated 		0.0325.4 2-3 Weeks Request for quote
GaSe-THC-7-0.1
GaSe, Z-Cut Cleaved Terahertz Crystals, Ø=7mm, Thickness=0.1mm, Uncoated 		0.125.4 2-3 Weeks Request for quote
GaSe-THC-7-0.3
GaSe, Z-Cut Cleaved Terahertz Crystals, Ø=7mm, Thickness=0.3mm, Uncoated 		0.325.4 2-3 Weeks Request for quote
GaSe-THC-7-0.5
GaSe, Z-Cut Cleaved Terahertz Crystals, Ø=7mm, Thickness=0.5mm, Uncoated 		0.525.4 2-3 Weeks Request for quote
GaSe-THC-7-1
GaSe, Z-Cut Cleaved Terahertz Crystals, Ø=7mm, Thickness=1mm, Uncoated 		125.4 2-3 Weeks Request for quote
GaSe-THC-7-2
GaSe, Z-Cut Cleaved Terahertz Crystals, Ø=7mm, Thickness=2mm, Uncoated 		225.4 2-3 Weeks Request for quote
ZnTe-THC-110-10-0.1
ZnTe, Terahertz Crystals, Orientation: 110, Dimension=10x10mm, Thickness=0.1mm 		10x100.125.4110 4-6 Weeks $2057.00
ZnTe-THC-110-10-0.2
ZnTe, Terahertz Crystals, Orientation: 110, Dimension=10x10mm, Thickness=0.2mm 		10x100.225.4110 2-3 Weeks $1800.00
ZnTe-THC-110-10-0.5
ZnTe, Terahertz Crystals, Orientation: 110, Dimension=10x10mm, Thickness=0.5mm 		10x100.525.4110 2-3 Weeks $1363.00
ZnTe-THC-110-10-1
ZnTe, Terahertz Crystals, Orientation: 110, Dimension=10x10mm, Thickness=1mm 		10x10125.4110 2-3 Weeks $1413.00
ZnTe-THC-110-10-2
ZnTe, Terahertz Crystals, Orientation: 110, Dimension=10x10mm, Thickness=2mm 		10x10225.4110 4-6 Weeks $1867.00

ZnTe-THC-110-10-2 - Parameter

Material
ZnTe

Thickness Tolerance (mm)
±0.1

Surface Quality
10/5

Dimension (mm)
10x10

Dimensional Tolerance (mm)
±0.1

Thickness (mm)
2

Flatness
<λ/6@633nm

Wavefront Distortion
λ/8

Parallelism (arcsec)
<20

Mount Diameter (mm)
25.4

Orientation (Θ/φ) (°)
110

ZnTe-THC-110-10-1 - Parameter

Material
ZnTe

Thickness Tolerance (mm)
±0.1

Surface Quality
10/5

Dimension (mm)
10x10

Dimensional Tolerance (mm)
±0.1

Thickness (mm)
1

Flatness
<λ/6@633nm

Wavefront Distortion
λ/8

Parallelism (arcsec)
<20

Mount Diameter (mm)
25.4

Orientation (Θ/φ) (°)
110

ZnTe-THC-110-10-0.5 - Parameter

Material
ZnTe

Thickness Tolerance (mm)
±0.1

Surface Quality
10/5

Dimension (mm)
10x10

Dimensional Tolerance (mm)
±0.1

Thickness (mm)
0.5

Flatness
<λ/6@633nm

Wavefront Distortion
λ/8

Parallelism (arcsec)
<20

Mount Diameter (mm)
25.4

Orientation (Θ/φ) (°)
110

ZnTe-THC-110-10-0.2 - Parameter

Material
ZnTe

Thickness Tolerance (mm)
±0.1

Surface Quality
10/5

Dimension (mm)
10x10

Dimensional Tolerance (mm)
±0.1

Thickness (mm)
0.2

Flatness
<λ/6@633nm

Wavefront Distortion
λ/8

Parallelism (arcsec)
<20

Mount Diameter (mm)
25.4

Orientation (Θ/φ) (°)
110

ZnTe-THC-110-10-0.1 - Parameter

Material
ZnTe

Thickness Tolerance (mm)
±0.1

Surface Quality
10/5

Dimension (mm)
10x10

Dimensional Tolerance (mm)
±0.1

Thickness (mm)
0.1

Flatness
<λ/6@633nm

Wavefront Distortion
λ/8

Parallelism (arcsec)
<20

Mount Diameter (mm)
25.4

Orientation (Θ/φ) (°)
110

GaSe-THC-7-2 - Parameter

Material
GaSe

Coating
Uncoated

Diameter (mm)
7

Diameter Tolerance (mm)
±0.1

Thickness Tolerance (mm)
± 0.1

Surface Quality
10/5

Clear Aperture
<90%

Thickness (mm)
2

Flatness
<λ/6@633nm

Wavefront Distortion
λ/8

Mount Diameter (mm)
25.4

GaSe-THC-7-1 - Parameter

Material
GaSe

Coating
Uncoated

Diameter (mm)
7

Diameter Tolerance (mm)
±0.1

Thickness Tolerance (mm)
± 0.1

Surface Quality
10/5

Clear Aperture
<90%

Thickness (mm)
1

Flatness
<λ/6@633nm

Wavefront Distortion
λ/8

Mount Diameter (mm)
25.4

GaSe-THC-7-0.5 - Parameter

Material
GaSe

Coating
Uncoated

Diameter (mm)
7

Diameter Tolerance (mm)
±0.1

Thickness Tolerance (mm)
± 0.1

Surface Quality
10/5

Clear Aperture
<90%

Thickness (mm)
0.5

Flatness
<λ/6@633nm

Wavefront Distortion
λ/8

Mount Diameter (mm)
25.4

GaSe-THC-7-0.3 - Parameter

Material
GaSe

Coating
Uncoated

Diameter (mm)
7

Diameter Tolerance (mm)
±0.1

Thickness Tolerance (mm)
± 0.1

Surface Quality
10/5

Clear Aperture
<90%

Thickness (mm)
0.3

Flatness
<λ/6@633nm

Wavefront Distortion
λ/8

Mount Diameter (mm)
25.4

GaSe-THC-7-0.1 - Parameter

Material
GaSe

Coating
Uncoated

Diameter (mm)
7

Diameter Tolerance (mm)
±0.1

Thickness Tolerance (mm)
± 0.1

Surface Quality
10/5

Clear Aperture
<90%

Thickness (mm)
0.1

Flatness
<λ/6@633nm

Wavefront Distortion
λ/8

Mount Diameter (mm)
25.4

GaSe-THC-7-0.03 - Parameter

Material
GaSe

Coating
Uncoated

Diameter (mm)
7

Diameter Tolerance (mm)
±0.1

Thickness Tolerance (mm)
± 0.1

Surface Quality
10/5

Clear Aperture
<90%

Thickness (mm)
0.03

Flatness
<λ/6@633nm

Wavefront Distortion
λ/8

Mount Diameter (mm)
25.4

GaSe-THC-7-0.01 - Parameter

Material
GaSe

Coating
Uncoated

Diameter (mm)
7

Diameter Tolerance (mm)
±0.1

Thickness Tolerance (mm)
± 0.1

Surface Quality
10/5

Clear Aperture
<90%

Thickness (mm)

Flatness
<λ/6@633nm

Wavefront Distortion
λ/8

Mount Diameter (mm)
25.4

ZnTe-THC-110-10-2 - Download

ZnTe-THC-110-10-1 - Download

ZnTe-THC-110-10-0.5 - Download

ZnTe-THC-110-10-0.2 - Download

ZnTe-THC-110-10-0.1 - Download

GaSe-THC-7-2 - Download

GaSe-THC-7-1 - Download

GaSe-THC-7-0.5 - Download

GaSe-THC-7-0.3 - Download

GaSe-THC-7-0.1 - Download

GaSe-THC-7-0.03 - Download

GaSe-THC-7-0.01 - Download

Accessories

Compare Model Drawings & Specs Availability Reference Price
(USD)

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