CaF₂, MgF₂, ZnSe, Sapphire, YAG

CaF2 substrates

Tolerances CaF2
Length/Width: +0.0/-0.1 mm
Thickness t: ±0.1 mm
Parallelism/Wedge: < 5 min. of arc
Chamfer: 0.1–0.3 mm x 45°
(for t > 0.5 mm)
Clear aperture: > 80%
Flatness round substr.: λ/4
Flatn. rectang.
substr.:		 λ/2
Surface imperfection tolerance:
acc. to DIN ISO 10110-7
 
Length
a mm		Width
b mm		Thickn.
t mm		Surface
imp.tol.		157 nm
Art.-No.		Stock193 nm
Art.-No.		Stock248 nm
Art.-No.		StockVIS/IR
Art.-No.		Stock
50 27 2 5/3 x 0.040 S-00728   S-00195 ✓ S-01636   S-00333 ✓
60 35 2 5/3 x 0.040 S-00562 ✓ S-00194 ✓ S-01637 ✓ S-00334 ✓
 
Diameter
Ø mm		Thickn.
t mm		Surface
imp.tol.		157 nm
Art.-No.		Stock193 nm
Art.-No.		Stock248 nm
Art.-No.		StockVIS/IR
Art.-No.		Stock
12.7 3 5/3 x 0.063 S-01638   S-00653 ✓ S-01639   S-01640 ✓
25 6.35 5/3 x 0.063 S-00374   S-00748 ✓ S-01641   S-00169 ✓
38 6.35 5/3 x 0.063 S-01642   S-01643 ✓ S-01644   S-00753  
50 9.5 5/3 x 0.10 S-01645   S-01221   S-01646   S-01647 ✓

✓ available from stock

Transmission diagram of CaF2 substrates

MgF2 substrates

Tolerances  MgF2, ZnSe
Diameter: +0.0/-0.1 mm
Thickness t: ±0.1 mm
Parallelism/Wedge: < 5 min. of arc
Chamfer: 0.1–0.3 mm x 45°
Clear aperture: > 80%
Surface imperfection tolerance:
acc. to DIN ISO 10110-7
 
Diam.
Ø mm		Thickn.
t mm		Flatness
λ (633 nm)		Surface
imp.tol.		VUV-MgF2
Article-No.		Stock
12.7 3 λ/4 5/3 x 0.063 S-01648  
25 6.35 λ/4 5/3 x 0.063 S-00046  
38 6.35 λ/4 5/3 x 0.063 S-01649  
50 9.5 λ/4 5/3 x 0.10 S-01650  

✓ available from stock

Transmission diagram of MgF2 substrates

ZnSe substrates

Diam.
Ø mm		Thickn.
t mm		Flatness
λ (633 nm)		Surface
imp.tol.		ZnSe
Article-No.		Stock
25.4 3 λ/4 5/3 x 0.063 S-00271 ✓
25.4 6.35 λ/4 5/3 x 0.063 S-01692 ✓
38.1 5 λ/4 5/3 x 0.063 S-01693  
50.8 6.35 λ/4 5/3 x 0.10 S-00387  

✓ available from stock

Transmission diagram of ZnSe substrates

Sapphire substrates

Tolerances Sapphire, undoped YAG
Diameter: +0.0/-0.1 mm
Thickness t: ±0.1 mm
Parallelism/Wedge: < 5 min. of arc
Chamfer: 0.1–0.3 mm x 45°
Clear aperture: > 80%
Surface imperfection tolerance:
acc. to DIN ISO 10110-7
 
Diam.
Ø mm		Thickn.
t mm		Flatness
λ (633 nm)		Surface
imp.tol.		Sapphire
Article-No.		Stock
12.7 3 λ/10 5/3 x 0.063 S-00469  
25.4 3 λ/4 5/3 x 0.063 S-01630 ✓

✓ available from stock

Transmission diagram of Sapphire substrates

Undoped YAG substrates

Diam.
Ø mm		Thickn.
t mm		Flatness
λ (633 nm)		Surface
imp.tol.		undoped YAG
Article-No.		Stock
12.7 3 λ/4 5/3 x 0.063 S-01479 ✓
25.4 3 λ/4 5/3 x 0.063 S-00876 ✓

✓ available from stock

Transmission diagram of YAG substrates

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