フッ化マグネシウム(MgF2)ウィンドウ


  • >50% Transmission at 120 nm
  • Transmission ≥94% for λ = 200 nm - 6 µm
  • Extremely Durable Ø1/2" and Ø1" Windows Available
  • Suitable for Excimer Lasers and Other Deep UV Applications

WG61050

Ø1"

WG60530

Ø1/2"

Related Items


Please Wait
Flat Window Selection Guide
Wavelength RangeSubstrate Material
180 nm - 8.0 μmCalcium Fluoride (CaF2)
185 nm - 2.1 μmUV Fused Silica
200 nm - 5.0 μmSapphire
200 nm - 6.0 μmMagnesium Fluoride (MgF2)
250 nm - 1.6 µmUV Fused Silica, for 45° AOI
250 nm - 26 µmPotassium Bromide (KBr)
300 nm - 3 µmInfrasil®
350 nm - 2.0 μmN-BK7
400 nm - 1.1 µmUV Fused Silica, Textured Antireflective Surface
600 nm - 16 µmZinc Selenide (ZnSe)
1 - 1.7 µmInfrasil®, Textured Antireflective Surface
1.2 - 8.0 μmSilicon (Si)
1.9 - 16 μmGermanium (Ge)
2 - 5 μmBarium Fluoride (BaF2)
V-Coated Laser Windows

特長

  • λ = 200 nm~6 μmで透過率≥ 94%
  • 波長120 nmにおいても、透過率>50%
  • Ø12.7 mm(Ø1/2インチ)およびØ25.4 mm(Ø1インチ)バージョンから選択可能

フッ化マグネシウム(MgF2)製のウィンドウはØ12.7 mm(Ø1/2インチ)、Ø25.4 mm(Ø1インチ)のサイズが用意されています。これらは、深紫外域から中赤外域で高い透過率を有しています。このウィンドウは非常に耐久性があり収差を最小に抑えることができます。フッ化マグネシウム(MgF2)ウィンドウは光軸が結晶のC軸に平行になるようにカットされており、複屈折が最小に抑えられています。

フッ化マグネシウム(MgF2) ウィンドウは真空UV域範囲を含む深紫外(UV)域にお使いいただけます。120 nmでも>50%の透過率が得られるので、エキシマレーザ、また 121 nmで水素ライマンα線適用の製品とのご使用に適しています。UVA、UVB、可視域または赤外域(200~1000 nm)では、約94%の透過率、波長範囲1~6 µmでは約95%の透過率を示します。

Optical Coating and Subtrates
Optic Cleaning Tutorial

Posted Comments:
Alexander Enders  (posted 2023-07-19 10:22:08.217)
Hello, I have a quick question: What is the orientation of the optical axis of your MgF2 windows? Perpendicular to the plane of the window to prevent birefringence? Best Alex
jdelia  (posted 2023-07-19 01:59:53.0)
Thank you for contacting Thorlabs. Thorlabs' MgF2 windows are cut with the optical axis parallel to the c-axis of the crystal to minimize birefringence.
user  (posted 2021-07-16 04:31:57.333)
Hi i like a WG61050 - Ø1" MgF2 Broadband Precision Window, coated to 1064 HR also with PL//R =100mm CC thanks
YLohia  (posted 2021-08-27 02:46:42.0)
Hello, custom optics can be requested by emailing techsales@thorlabs.com. We will discuss the possibility of offering this directly.
Enrique Vasco  (posted 2020-10-03 15:11:52.777)
Please, could you provide me with data on MgF2 window damage thresholds for 10 ns-pulsed UV laser, as the product description specifies that it is suitable for excimer laser and deep UV applications? Thankx
YLohia  (posted 2020-10-07 02:30:18.0)
Thank you for contacting Thorlabs. Unfortunately, we don't test or specify LIDT for bulk optics. Based on your beam parameters (266 nm, 100 mJ, 8 ns, 10 Hz, 3mm) and the literature available online, we expect the WG60530 to not sustain damage, but we cannot provide any guarantees for this at the moment.


Window Selection Guide (Table Sorted by Wavelength)
Substrate and Window TypeWavelength RangeAvailable AR CoatingsReflectance over AR Coating RangeaTransmission DataReflectance Data
Calcium Fluoride (CaF2):
Flat or Wedged
180 nm - 8.0 μmUncoated-
Raw Data
-
-D Coating, 1.65 - 3.0 µmRavg < 1.0%; Rabs < 2.0% at 0° AOI
Raw Data

Raw Data
UV Fused Silica:
Flat, Wedged, V-Coated Flat,
or V-Coated Wedged
185 nm - 2.1 μmUncoated
(Flat or Wedged)
-
Raw Data
-
-UV Coating,
245 - 400 nm
(Flat or Wedged)
Ravg < 0.5% at 0° AOI-
Raw Data
-C3 Coating,
261 - 266 nm
(V-Coated)
Ravg < 0.5% at 0° AOI-Click to View Index Plot
Raw Data
-C6 Coating,
350 - 450 nm
(V-Coated)
Ravg < 0.5% at 0° AOI-Click to View Index Plot
Raw Data
-A Coating,
350 - 700 nm
(Flat or Wedged)
Ravg < 0.5% at 0° AOI-
Raw Data
-B Coating,
650 - 1050 nm
(Flat or Wedged)
Ravg < 0.5% at 0° AOI-
Raw Data
-C Coating,
1050 - 1700 nm
(Flat or Wedged)
Ravg < 0.5% at 0° AOI-
Raw Data
Sapphire:
Flat or Wedged
200 nm - 5.0 μmUncoated-
Raw Data
-
-D Coating, 1.65 - 3.0 µmRavg < 1.0% at 0° AOI
Raw Data

Raw Data
-E1 Coating, 2.0 - 5.0 µmRavg < 1.50%, Rabs < 3.0%
(per Surface, 2.0 - 5.0 µm);
Ravg < 1.75%
(per Surface, 2.0 - 4.0 µm) at 0° AOI

Raw Data

Raw Data
Magnesium Fluoride (MgF2):
Flat or Wedged
200 nm - 6.0 μmUncoated-
Raw Data
-
Barium Fluoride (BaF2):
Flat or Wedged
200 nm - 11 µmUncoated
(Wedged Only)
-
Raw Data
-
-E1 Coating, 2 - 5 µmRavg < 1.25%; Rabs < 2.5% at 0° AOI
Raw Data
Icon
Raw Data
UV Fused Silica, for 45° AOI:
Flat or Wedged
250 nm - 1.6 µmCoating for
250 nm - 450 nm
Ravg < 1.0% at 45° AOIinfo
Raw Data
Coating for
350 nm - 1100 nm
Ravg < 2.0% at 45° AOIinfo
Raw Data
Coating for
400 nm - 700 nm
Ravg < 1.0% at 45° AOIinfo
Raw Data
Coating for
600 nm - 1700 nm
Ravg < 1.5% at 45° AOIinfo
Raw Data
Coating for
700 nm - 1100 nm
Ravg < 1.0% at 45° AOIinfo
Raw Data
Coating for
1200 nm - 1600 nm
Ravg < 1.0% at 45° AOIinfo
Raw Data
Potassium Bromide (KBr):
Flat
250 nm - 26 µmUncoated--
Infrasil®:
Flat
300 nm - 3 µmUncoated-
Raw Data
-
N-BK7:
Flat, Wedged, V-Coated Flat,
or V-Coated Wedged
350 nm - 2.0 μmUncoated
(Flat or Wedged)
-
Raw Data
-
-A Coating,
350 - 700 nm
(Flat or Wedged)
Ravg < 0.5% at 0° AOI-
Raw Data
-C7 Coating,
400 - 700 nm
(V-Coated)
Ravg < 0.5% at 0° AOI-Click to View Index Plot
Raw Data
-C10 Coating,
523 - 532 nm
(V-Coated)
Ravg < 0.5% at 0° AOI-Click to View Index Plot
Raw Data
-C11 Coating,
610 - 860 nm
(V-Coated)
Ravg < 0.5% at 0° AOI-Click to View Index Plot
Raw Data
-B Coating,
650 - 1050 nm
(Flat or Wedged)
Ravg < 0.5% at 0° AOI-
Raw Data
-C13 Coating,
700 - 1100 nm
(V-Coated)
Ravg < 0.5% at 0° AOI-Click to View Index Plot
Raw Data
C14 Coating,
1047 - 1064 nm
(V-Coated)
Ravg < 0.5% at 0° AOI-Click to View Index Plot
Raw Data
-C15 Coating,
523 - 532 nm &
1047 - 1064 nm
(V-Coated)
Ravg < 0.5% at 0° AOI-Click to View Index Plot
Raw Data
-C Coating,
1050 - 1700 nm
(Flat or Wedged)
Ravg < 0.5% at 0° AOI-
Raw Data
Zinc Selenide (ZnSe):
Flat or Wedged
600 nm - 16 µmUncoated-
Raw Data
-
-D Coating, 1.65 - 3.0 µmRavg < 1.0%; Rabs < 2.0% at 0° AOI
Raw Data

Raw Data
-E4 Coating, 2 - 13 µm
(Only Flat)
Ravg < 3.5%; Rabs < 6% at 0° AOI
Raw Data

Raw Data
-E2 Coating, 4.5 - 7.5 µm
(Only Flat)
Ravg < 1.0%; Rabs < 2.0% at 0° AOI
Raw Data

Raw Data
-E3 Coating, 7 - 12 µm
(Only Wedged)
Ravg < 1.0%; Rabs < 2.0% at 0° AOI
Raw Data
Icon
Raw Data
-G Coating, 7 - 12 µm
(Only Flat)
Ravg < 1% at 0° AOI
Raw Data

Raw Data
Silicon (Si):
Flat or Wedged
1.2 - 8.0 μmUncoated-
Raw Data
-
-E1 Coating, 2 - 5 µm
(Only Wedged)
Ravg < 1.25%; Rabs < 2.5% at 0° AOI
Raw Data
Icon
Raw Data
-E Coating, 3 - 5 µm
(Only Flat)
Ravg < 2% at 0° AOI
Raw Data

Raw Data
Germanium (Ge):
Flat or Wedged
1.9 - 16 μmUncoated, 2.0 - 16 μm-
Raw Data
-
-C9 Coating, 1.9 - 6 µm
(Only Flat)
Ravg < 2% at 0° AOI
Raw Data

Raw Data
-E3 Coating, 7 - 12 µmRavg < 1.0%; Rabs < 2.0% at 0° AOI
Raw Data
Icon
Raw Data
  • 1面あたりの反射率。各ウィンドウは両面にコーティングが施されています。
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フッ化マグネシウム(MgF2)ウィンドウ、コーティング無し

Item #WG60530WG61050
Diameter 1/2" (12.7 mm)1" (25.4 mm)
Diameter Tolerance+0.0 / -0.2 mm
Thickness3.0 mm5.0 mm
Thickness Tolerance±0.3 mm
Clear Aperture>90% Diameter
Axis Orientation±0.5°
Parallelism≤5 arcmin
Surface Flatnessaλ/8 over Clear Aperture
Surface Quality20-10 Scratch-Dig
Wavelength Range200 nm - 6.0 μm (Uncoated)
SubstrateMagnesium Fluorideb
Transmission Data
Raw Data
  • 633 nmで測定
  • リンクをクリックすると基板の仕様がご覧になれます。
+1 数量 資料 型番 - ユニバーサル規格 定価(税抜) 出荷予定日
WG60530 Support Documentation
WG60530フッ化マグネシウム広帯域高精度ウィンドウ、Ø12.7mm
¥24,900
Today
WG61050 Support Documentation
WG61050フッ化マグネシウム広帯域高精度ウィンドウ、Ø25.4mm
¥37,433
Today